SOLUTION: solve by substition method. 2m+n=1 m-7n=38

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Question 449930: solve by substition method.
2m+n=1
m-7n=38
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
2m+n=1 n=1-2m
m-7n=38
m-7(1-2m)=38
m-7+14m=38
15m=45
m=3
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3-7n=38
-7n=35
n=-5
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2*3+-5=1