SOLUTION: solve by the method of substitution y=-5 5x+4y=-20

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Question 942927: solve by the method of substitution
y=-5
5x+4y=-20
Answer by Alan3354(69443) About Me  (Show Source):
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solve by the method of substitution
y=-5
5x+4y=-20
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Sub for y in the 2nd eqn.