Solving for x in $\frac{6x}{150}$ - $\frac{5x}{150}$ = 1

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Discussion Overview

The discussion revolves around solving the equation $\frac{6x}{150} - \frac{5x}{150} = 1$. Participants explore methods for finding the value of x, including finding common denominators and simplifying the equation.

Discussion Character

  • Mathematical reasoning
  • Homework-related

Main Points Raised

  • One participant suggests starting with the equation $\frac{x}{25} - \frac{x}{30} = 1$ and identifies a common denominator of 150.
  • Another participant calculates the least common multiple (LCM) of 25 and 30 to confirm that it is 150, leading to the equation $6x - 5x = 150$ and concludes that $x = 150$.
  • A different participant arrives at the same conclusion, stating that after simplifying to $\frac{x}{150} = 1$, multiplying both sides by 150 yields $x = 150$.
  • One participant reiterates the process of finding a common denominator and confirms the result that $x = 150$.

Areas of Agreement / Disagreement

Participants generally agree on the method of solving the equation and arrive at the same conclusion that $x = 150$. However, there is no explicit discussion of alternative methods or potential errors in reasoning.

Contextual Notes

Some participants do not explicitly state their assumptions or the steps taken to arrive at their conclusions, which may affect the clarity of the reasoning process.

mathlearn
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$\frac{x}{25}$ - $\frac{x}{30}$ = 1 (Happy)

Okay, I see that they can come to a common denominator of,

$\frac{6x}{150}$ - $\frac{5x}{150}$ = 1 , Now to find x; (Happy)
 
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I would begin by finding the LCM of 25 and 30. To do that, consider the prime factorizations:

$$25=5^2$$

$$30=2\cdot3\cdot5$$

Therefore:

$$\text{lcm}(25,30)=2\cdot3\cdot5^2=150$$

So, if we multiply the equation by 150, we obtain:

$$6x-5x=150$$

$$x=150$$

Does that make sense?
 
After getting into common denominator and subtracting,

$\frac{x}{150}$ =1

$\frac{x}{150}*150 =1*150 $

$ x = 150$ , Correct ? (Thinking)
 

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mathlearn said:
$\frac{x}{25}$ - $\frac{x}{30}$ = 1 (Happy)

Okay, I see that they can come to a common denominator of,

$\frac{6x}{150}$ - $\frac{5x}{150}$ = 1 , Now to find x; (Happy)

Good work! Now, 6x/150 - 5x/150 = x/150 = 1, so x = 150. :)
 

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