Algebra i Definition and 74 Threads
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Some algebra I don't understand: Solve for R
The variable is already isolated on one side. I dont' know how to solve for R though. Any help? Thank you.- Jaccobtw
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- Algebra Algebra i
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- Forum: Precalculus Mathematics Homework Help
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What are variables, expressions, and equations? | Introduction to algebra | Algebra I | Khan Academy
Learn what variables, expressions, and equations really are. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/alg...- RooksAndBooks
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- Algebra i Khan academy Sal khan
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- Category: Basic Algebra
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How to test solutions to equations using substitution | 6th grade | Khan Academy
A solution to an equation makes that equation true. Learn how to test if a certain value of a variable makes an equation true. Practice this lesson yourself ...- RooksAndBooks
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- Algebra i Khan academy Sal khan
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- Category: Basic Algebra
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Why we do the same thing to both sides of equations | Linear equations | Algebra I | Khan Academy
The example of a scale where we try to achieve balance helps to explain why we do the same thing to both sides of an equation. Practice this lesson yourself ...- RooksAndBooks
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- Algebra i Khan academy Sal khan
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- Category: Basic Algebra
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How to represent a relationship with a simple equation | Linear equations | Algebra I | Khan Academy
Equations are about relationships (no, not girlfriends and boyfriends!) between the two sides of the equation. Let's again use a scale example to help us und...- RooksAndBooks
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- Algebra i Khan academy Sal khan
- Comments: 1
- Category: Basic Algebra
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Intuition for solving one-step equations | Linear equations | Algebra I | Khan Academy
This equation can be simplified through a single step to solve for the variable. Can you help? Practice this lesson yourself on KhanAcademy.org right now: ht...- RooksAndBooks
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- Algebra i Khan academy Sal khan
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- Category: Basic Algebra
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How to divide from both sides of an equation | Linear equations | Algebra I | Khan Academy
Let's get a conceptual understanding of why one needs to divide both sides of an equation to solve for a variable. Watch the next lesson: https://www.khanaca...- RooksAndBooks
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- Algebra i Khan academy Sal khan
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- Category: Basic Algebra
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How to solve one-step equations | Linear equations | Algebra I | Khan Academy
Learn how to solve one-step addition and subtraction equations by adding or subtracting the same thing from both sides of the equation. Watch the next lesson...- RooksAndBooks
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- Algebra i Khan academy Sal khan
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- Category: Basic Algebra
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Example of solving a one-step equation | Linear equations | Algebra I | Khan Academy
Learn how to solve this equation: a + 5 = 54 Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/solving-lin...- RooksAndBooks
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- Algebra i Khan academy Sal khan
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- Category: Basic Algebra
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How to solve one-step equations with fractions and decimals | 6th grade | Khan Academy
Learn how to solve one-step addition and subtraction equations that have fractions and decimals in them. Practice this lesson yourself on KhanAcademy.org rig...- RooksAndBooks
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- Algebra i Khan academy Sal khan
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- Category: Basic Algebra
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How to solve equations of the form ax = b | Linear equations | Algebra I | Khan Academy
Let's ease into this, shall we? Here's an introduction to basic algebraic equations of the form ax=b. Remember that you can check to see if you have the righ...- RooksAndBooks
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- Algebra i Khan academy Sal khan
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- Category: Basic Algebra
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How to solve equations of the form x/a = b | Linear equations | Algebra I | Khan Academy
Remember that what you do to one side, you have to do to the other. Will you multiply or divide both sides to dump the fraction, x/a? Let's do it together. P...- RooksAndBooks
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- Algebra i Khan academy Sal khan
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- Category: Basic Algebra
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How to solve one-step multiplication and division equations with fractions and decimals
"Learn how to solve equations in one step by multiplying or dividing a number from both sides. These problems involve decimals and fractions. Practice this l...- RooksAndBooks
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- Algebra i Khan academy Sal khan
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- Category: Basic Algebra
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Solving two-step equations | Linear equations | Algebra I | Khan Academy
Here's how we solve a two step equation. It begins with the concept of equality: what we do to one side of the equation must be done to the other. Watch the ...- RooksAndBooks
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- Algebra i Khan academy Sal khan
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- Category: Basic Algebra
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Solving a more complicated equation | Linear equations | Algebra I | Khan Academy
This example demonstrates how we solve an equation expressed such: ax + b = c. It's a little more complicated than previous examples, but you can do it! Prac...- RooksAndBooks
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- Algebra i Khan academy Sal khan
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- Category: Basic Algebra
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Example: two-step equation with numerator x | Linear equations | Algebra I | Khan Academy
Solve the equation by isolating the term with numerator x. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algeb...- RooksAndBooks
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- Algebra i Khan academy Sal khan
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- Category: Basic Algebra
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Basic linear equation word problem | 7th grade | Khan Academy
"Learn how to construct and solve a basic linear equation to solve a word problem. Practice this lesson yourself on KhanAcademy.org right now: https://www.kh...- RooksAndBooks
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- Algebra i Khan academy Sal khan
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- Category: Basic Algebra
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Word problem: solving equations | Linear equations | Algebra I | Khan Academy
Here's a nifty word problem in which we find the dimensions of a garden given only the perimeter. Let's create an equation to solve! Practice this lesson you...- RooksAndBooks
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- Algebra i Khan academy Sal khan
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- Category: Basic Algebra
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Linear equation word problem | Linear equations | Algebra I | Khan Academy
Learn how to solve a word problem by writing an equation to model the situation. In this video, we use the linear equation 210(t-5) = 41,790. Practice this l...- RooksAndBooks
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- Algebra i Khan academy Sal khan
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- Category: Basic Algebra
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Why we do the same thing to both sides: Multi-step equations | Algebra I | Khan Academy
Watch the next lesson: https://www.khanacademy.org/math/algebra/solving-linear-equations-and-inequalities/why-of-algebra/v/why-we-do-the-same-thing-to-both-s...- RooksAndBooks
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- Algebra i Khan academy Sal khan
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- Category: Basic Algebra
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Introduction to solving an equation with variables on both sides | Algebra I | Khan Academy
Sal solves the equation 2x + 3 = 5x - 2. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/solving-linear-...- RooksAndBooks
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- Algebra i Khan academy Sal khan
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- Category: Basic Algebra
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Example 2: Variables on both sides | Linear equations | Algebra I | Khan Academy
Solving Equations 2 Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/solving-linear-equations-and-inequal...- RooksAndBooks
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- Algebra i Khan academy Sal khan
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- Category: Basic Algebra
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A clever application of the distributive property to solve a multi-step equation | Khan Academy
Sal solves the equation (3/4)x + 2 = (3/8)x - 4 using the distributive property Practice this lesson yourself on KhanAcademy.org right now: https://www.khana...- RooksAndBooks
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- Algebra i Khan academy Sal khan
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- Category: Basic Algebra
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Ex 2: Multi-step equation | Linear equations | Algebra I | Khan Academy
Turning a non-linear equation into a linear one. Watch the next lesson: https://www.khanacademy.org/math/algebra/solving-linear-equations-and-inequalities/co...- RooksAndBooks
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- Algebra i Khan academy Sal khan
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- Category: Basic Algebra
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Solving equations with the distributive property | Linear equations | Algebra I | Khan Academy
Solving Equations with the Distributive Property Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/solving...- RooksAndBooks
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- Algebra i Khan academy Sal khan
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- Category: Basic Algebra
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Number of solutions to linear equations | Linear equations | Algebra I | Khan Academy
Equation Special Cases Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/solving-linear-equations-and-ineq...- RooksAndBooks
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- Algebra i Khan academy Sal khan
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- Category: Basic Algebra
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Equation special cases | Linear equations | Algebra I | Khan Academy
Equation Special Cases Watch the next lesson: https://www.khanacademy.org/math/algebra/solving-linear-equations-and-inequalities/solutions-linear-equations/v...- RooksAndBooks
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- Algebra i Khan academy Sal khan
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- Category: Basic Algebra
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Number of solutions to linear equations ex 2 | Linear equations | Algebra I | Khan Academy
Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/solving-linear-equations-and-inequalities/solutions-line...- RooksAndBooks
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- Algebra i Khan academy Sal khan
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- Category: Basic Algebra
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Number of solutions to linear equations ex 3 | Linear equations | Algebra I | Khan Academy
Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/solving-linear-equations-and-inequalities/solutions-line...- RooksAndBooks
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- Algebra i Khan academy Sal khan
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- Category: Basic Algebra
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Solving a consecutive integer problem algebraically | Linear equations | Algebra I | Khan Academy - YouTube
The sum of 4 consecutive odd integers is 136. What are the 4 integers? Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.or...- RooksAndBooks
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- Algebra i Khan academy Sal khan
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- Category: Basic Algebra
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Challenge example: Sum of integers | Linear equations | Algebra I | Khan Academy
Sum of Consecutive Odd Integers Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/solving-linear-equations...- RooksAndBooks
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- Algebra i Khan academy Sal khan
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- Category: Basic Algebra
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Mixture problems 2 | Linear equations | Algebra I | Khan Academy
Mixture problems 2 Watch the next lesson: https://www.khanacademy.org/math/algebra/solving-linear-equations-and-inequalities/More-equation-practice/v/basic-r...- RooksAndBooks
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- Algebra i Khan academy Sal khan
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- Category: Basic Algebra
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Mixture problems 3 | Linear equations | Algebra I | Khan Academy
Mixture problems 3 Watch the next lesson: https://www.khanacademy.org/math/algebra/solving-linear-equations-and-inequalities/old-school-equations/v/order-of-...- RooksAndBooks
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- Algebra i Khan academy Sal khan
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- Category: Basic Algebra
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Linear equations with unknown coefficients
Linear equations with unknown coefficients- RooksAndBooks
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- Algebra i Khan academy Sal khan
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- Category: Basic Algebra
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Abstract-ness | Introduction to algebra | Algebra I | Khan Academy
The general idea behind the word 'abstract' Watch the next lesson: https://www.khanacademy.org/math/algebra/introduction-to-algebra/overview_hist_alg/v/the-b...- RooksAndBooks
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- algebra i khan academy sal khan
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The beauty of algebra | Introduction to algebra | Algebra I | Khan Academy
Why the abstraction of mathematics is so fundamental Watch the next lesson: https://www.khanacademy.org/math/algebra/introduction-to-algebra/overview_hist_al...- RooksAndBooks
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- algebra i khan academy sal khan
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Introduction to the coordinate plane | Introduction to algebra | Algebra I | Khan Academy
Bridging algebra and geometry. What makes linear equations so linear. Watch the next lesson: https://www.khanacademy.org/math/algebra/introduction-to-algebra...- RooksAndBooks
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- algebra i khan academy sal khan
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- Category: Basic Algebra
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Why all the letters in algebra? | Introduction to algebra | Algebra I | Khan Academy
Jesse Roe and Sal Khan talk about why we use letters in algebra Watch the next lesson: https://www.khanacademy.org/math/algebra/introduction-to-algebra/varia...- RooksAndBooks
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- algebra i khan academy sal khan variables
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- Category: Basic Algebra
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What is a variable? | Introduction to algebra | Algebra I | Khan Academy
Our focus here is understanding that a variable is just a symbol that can represent different values in an expression. We got this. Just watch. Watch the nex...- RooksAndBooks
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- algebra i khan academy sal khan variables
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- Category: Basic Algebra
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Why aren't we using the multiplication sign? | Introduction to algebra | Algebra I | Khan Academy
Great question. In algebra, we do indeed avoid using the multiplication sign. We'll explain it for you here. Watch the next lesson: https://www.khanacademy.o...- RooksAndBooks
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- algebra i khan academy multiplication sal khan
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- Category: Basic Algebra
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How to evaluate an expression with variables | Introduction to algebra | Algebra I | Khan Academy
Learn how to evaluate an expression with variables using a technique called substitution (or "plugging in"). Watch the next lesson: https://www.khanacademy.o...- RooksAndBooks
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- algebra i expressions khan academy sal khan
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- Category: Basic Algebra
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How to evaluate expressions with two variables | 6th grade | Khan Academy
We've done a few examples together where we were faced with 1 variable. Why not try one that has 2 variables? Practice this lesson yourself on KhanAcademy.or...- RooksAndBooks
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- algebra i expressions khan academy sal khan
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- Category: Basic Algebra
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How to evaluate expressions in two variables with decimals and fractions | 6th grade | Khan Academy
Learn how to evaluate expressions that have two different variables in them by using a technique called substitution (or "plugging in"). Practice this lesson...- RooksAndBooks
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- algebra i expressions khan academy sal khan
- Comments: 0
- Category: Basic Algebra
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How to evaluate an expression using substitution | Algebra I | Khan Academy
In this example we have a formula for converting Celsius temperature to Fahrenheit. Let's substitute the variable with a value (Celsius temp) to get the degr...- RooksAndBooks
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- algebra i expressions khan academy sal khan
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- Category: Basic Algebra
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Evaluating an algebraic expression in a word problem | Algebra I | Khan Academy
In this example of evaluating expressions, we're dusting off some geometry. On top of that, it's a word problem. We're seeing how different concepts in math ...- RooksAndBooks
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- algebra i khan academy sal khan word problem
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- Category: Basic Algebra
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Evaluating an algebraic expression with exponents | 6th grade | Khan Academy
We're going to put our order of operations knowledge to work as we evaluate this expression. Exponents, specifically, are our focus here. Watch the next less...- RooksAndBooks
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- algebra i expressions khan academy sal khan
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- Category: Basic Algebra
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How to write basic expressions with variables | 6th grade | Khan Academy
Learn how to write basic algebraic expressions. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-sixth-grade-m...- RooksAndBooks
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- algebra i expressions khan academy sal khan
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- Category: Basic Algebra
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How to write expressions with variables | Introduction to algebra | Algebra I | Khan Academy
Learn how to write simple algebraic expressions. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/introdu...- RooksAndBooks
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- algebra i expressions khan academy sal khan
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- Category: Basic Algebra
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How to write algebraic expressions with parentheses | Algebra I | Khan Academy
Learn how to write algebraic expressions that involve grouping quantities in parentheses. Practice this lesson yourself on KhanAcademy.org right now: https:/...- RooksAndBooks
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- algebra i expressions khan academy sal khan
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- Category: Basic Algebra
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Dependent and independent variables exercise: the basics | Algebra I | Khan Academy
Here we have a problem that asks us to identify which variables are dependent and independent. Hint: independent variables are not influenced and remain unch...- RooksAndBooks
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- algebra i dependent variables independent variables khan academy sal khan
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- Category: Basic Algebra