SOLUTION: Could someone please show me how to solve by substitution method? 8x+8y=-8 -2x+y=14

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Question 436375: Could someone please show me how to solve by substitution method?
8x+8y=-8
-2x+y=14
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
-2x+y=14 y=2x+14
8x+8y=-8
8x+8(2x+14)=-8
8x+16x+112=-8
24x=-120
x=-5
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8*-5+8y=-8
-40+8y=-8
8y=32
y=4
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proof
-2*-5+4=14