SOLUTION: Solve each system by addition: 2x=2-y 3x+y=-1

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Question 169492: Solve each system by addition:
2x=2-y
3x+y=-1
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
2x=2-y
2x+y=2
-(3x+y=-1) subtract this equation from the other equation.
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-x=3
x=-3 ans.
2*-3=2-y
-6=2-y
y=2+6
y=8 ans.