SOLUTION: Solve and graph x+y=10 x-y=8

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Question 304949: Solve and graph
x+y=10
x-y=8
Answer by themathtutor2009(81) About Me  (Show Source):
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x+y=10
x-y=8


2x+0y=18
2x=18
x=9
x-y=8
9-y=8
-y=-1
y=1
Answers are x=9, y=1