SOLUTION: x+2y=4 3x-2y=-12

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Question 184936: x+2y=4
3x-2y=-12
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
x+2y=4
3x-2y=-12 now add
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4x=-8
x=-8/2
x=-2 ans.
-2+2y=4
2y=4+2
2y=6
y=6/2
y=3 ans.
Proof:
3*-2-2*3=-12
-6-6=-12
-12=-12