SOLUTION: Solve using elimination by addition 2x+3y=1 3x-y=7

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Question 377552: Solve using elimination by addition
2x+3y=1
3x-y=7
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
9x-3y=21
2x+3y=1
11x=22
x=2
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3*2-y=7
-y=1
y=-1
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2*2+3*-1=1
3*2--1=7