SOLUTION: solve by addition x-2y=-1 -x+5y=4

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Question 239817: solve by addition
x-2y=-1
-x+5y=4

Answer by checkley77(12569) About Me  (Show Source):
You can put this solution on YOUR website!
x-2y=-1
-x+5y=4
-----------------
3Y=3
Y=3/3
Y=1 ANS.
X-2*1=-1
X-2=-1
X=-1+2
X=1 ANS.
PROOF:
-1+5=4
4=4