SOLUTION: x+y=4 x-y=8 which of the 3 methods (graphing, substitution, or elimination) would you use to solve this linear system,

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Question 616149: x+y=4
x-y=8
which of the 3 methods (graphing, substitution, or elimination) would you use to solve this linear system,
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
x+y=4
x-y=8
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I'd use elimination, just add them.