SOLUTION: I have to solve by the addition method. I am lost on this one because even when I rewrite the equation I still cant see it.
2x=2-y
3x+y=-1
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Question 347262: I have to solve by the addition method. I am lost on this one because even when I rewrite the equation I still cant see it.
2x=2-y
3x+y=-1
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
2x=2-y
2x+y=2
3x+y=-1 subtract
----------------------
-x=3
x=-3 ans.
2*-3=2-y
-6=2-y
y=2+6
y=8 ans.
Proof:
3*-3+8=-1
-9+8=-1
-1=-1
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