SOLUTION: x+y=0 x-y=1 solve problem with algebraic method

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Question 351087: x+y=0
x-y=1
solve problem with algebraic method
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Add the equations together to eliminate y.
x%2By%2Bx-y=0%2B1
2x=1
highlight%28x=1%2F2%29
Then use either equation to solve for y.
1%2F2%2By=0
highlight%28y=-1%2F2%29