SOLUTION: find the solution of system of equations seperate x and y x-2y=-23 x-y=7

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Question 454936: find the solution of system of equations seperate x and y
x-2y=-23
x-y=7
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
x-2y=-23
x-y=7
------ Subtract
-y = -30
You can finish it.