SOLUTION: 3X + 4 = -y 2X + Y = 0

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Question 1100119: 3X + 4 = -y
2X + Y = 0
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
3X + 4 = -y
2X + Y = 0 ---> -y = 2x
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I would substitute for -y in the 1st equation.