SOLUTION: Solve each system by addition. x - 2y = -1 -x + 5y = 4

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Question 321257: Solve each system by addition.
x - 2y = -1
-x + 5y = 4
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Make an effort, show your work.
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