SOLUTION: solve the system x+y=2 and x-y=4 by the elimination method

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Question 375430: solve the system x+y=2 and x-y=4 by the elimination method
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Add the equations together to eliminate y and solve for x.
x%2By%2Bx-y=2%2B4
2x=6
highlight%28x=3%29
Then use either equation to solve for y.
3%2By=2
highlight%28y=-1%29