SOLUTION: 2x-4y=22 4x+5y=-8

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Question 273620: 2x-4y=22
4x+5y=-8
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
2x-4y=22 multiply by -2 & add.
4x+5y=-8
-4x+8y=-44
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13y=-52
y=-52/13
y=-4 ans.
2x-4*-4=22
2x+16=22
2x=22-16
2x=6
x=6/2
x=3 ans.
Proof:
4*3+5*-4=-8
12-20=-8
-8=-8