SOLUTION: solve by the method of substitution x+7y=0 2x-8y=22

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Question 942940: solve by the method of substitution
x+7y=0
2x-8y=22
Answer by Alan3354(69443) About Me  (Show Source):
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solve by the method of substitution
x+7y=0 --> x = -7y -- Sub for x in the other eqn
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2x-8y=22 --> x - 4y = 11