SOLUTION: how to would i solve 2m+n=13 m-2n=14

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Question 460109: how to would i solve
2m+n=13
m-2n=14
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
2m+n=13 .............1
m-2n=14 .............2

multiply (1)by 2
Multiply (2) by 1
4m+2n=26
m-2n=14
Add the two equations
5m=40
/5
m=8
plug value of m in (1)
2m+n=13
16+n=13
n=13-16
n=-3