SOLUTION: x+y=2b x-y=2a

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Question 1069448: x+y=2b
x-y=2a
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Add the two equations together to eliminate y,
x%2By%2Bx-y=2b%2B2a
2x=2%28a%2Bb%29
x=a%2Bb
Now find y,
x%2By=2b
Substituting,
a%2Bb%2By=2b
y=2b-b-a
y=b-a