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Simultaneous equation

  • Thread starter Ali42
  • Start date
  • #1
1
0

Homework Statement



Googd morning!
There is the exercise:
Solve the following simultaneous equation:

Homework Equations



a) x2+ 2xy=8, 3x-5y=1
b) (x+1)(x+2)=y, 2y-x=7

The Attempt at a Solution


Well, i don't really know how to start.
If someone can help me to know how to do for the first one i will try to do the second one.
Thank you!

It's URGENT! Please!
 

Answers and Replies

  • #2
danago
Gold Member
1,122
4
Try rearranging the second equation and substituting into the first equation, so that you have one equation with only one variable.
 

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