SOLUTION: solve by the substatution method 7x-8y=-35 7x+84=y

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Question 406311: solve by the substatution method
7x-8y=-35
7x+84=y
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
7x-8y=-35
7x+84=y --> 7x = y-84
Sub for 7x in the 1st eqn
y-84 - 8y = -35
-7y = -119
y = 17
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Sub for y and find x