SOLUTION: x+y=7 x-y=9

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Question 306031: x+y=7
x-y=9
Answer by themathtutor2009(81) About Me  (Show Source):
You can put this solution on YOUR website!
x+y=7
x-y=9

2x=16
x=8

x+y=7
8+y=7
y=-1

Answers are x=8, y=-1