SOLUTION: solve by the addition method: 2x=2-y 3x + y = -1

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Question 348421: solve by the addition method:
2x=2-y
3x + y = -1
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
1.2-y=2x
2.3x%2By=-1
Add eq. 1 and eq. 2,
2-y%2B3x%2By=2x-1
3x%2B2=2x-1
highlight%28x=-3%29
Then use either equation to solve for y,
3%28-3%29%2By=-1
-9%2By=-1
highlight%28y=8%29