SOLUTION: solve by substitution method 6x+7y= -13 -4x+y=37

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Question 327469: solve by substitution method
6x+7y= -13
-4x+y=37
Answer by user_dude2008(1862) About Me  (Show Source):
You can put this solution on YOUR website!
-4x+y=37
y=4x+37


6x+7y= -13
6x+7(4x+37)= -13
6x+28x+259=-13
34x+259=-13
34x=-13-259
34x=-272
x=-8

y=4x+37=4(-8)+37=-32+37=5

Answers: x=-8, y=5