SOLUTION: x+y=11 x-y=7

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Question 185957: x+y=11
x-y=7
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
x+y=11
x-y=7 Add the 2 eqns
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2x = 18
x = 9
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x-y = 7
y = 2