Question 812674: [ -x + 3y = -9 ]
[ 8x-4y = 32 ]
Answer by TimothyLamb(4379)   (Show Source):
You can put this solution on YOUR website! -x + 3y = -9
8x - 4y = 32
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-(8)x + (8)3y = (8)-9
8x - 4y = 32
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-8x + 24y = -72
8x - 4y = 32
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add:
20y = -40
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y = -2
x = 3
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