SOLUTION: -2x+2y=12 8x-4y=-36

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Question 1173157: -2x+2y=12
8x-4y=-36
Answer by ikleyn(52812) About Me  (Show Source):
You can put this solution on YOUR website!
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Multiply the first equation by 2, while keeping the second equation as is.


Then add the two equations.


The further steps are OBVIOUS, and the method is called the ELIMINATION method.

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See the lesson
    - Solution of the linear system of two equations in two unknowns by the Elimination method
in this site.