SOLUTION: Please help! Solve by substitution method. 7m+n=7 m-8n=58 m=7-7m m-8(7-7m)=58 m-56+56m=58 ?=114

Algebra ->  Coordinate Systems and Linear Equations -> SOLUTION: Please help! Solve by substitution method. 7m+n=7 m-8n=58 m=7-7m m-8(7-7m)=58 m-56+56m=58 ?=114      Log On


   

Question 201864: Please help!
Solve by substitution method.
7m+n=7
m-8n=58
m=7-7m
m-8(7-7m)=58
m-56+56m=58
?=114
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Please help!
Solve by substitution method.
7m+n=7
m-8n=58
--------
n=7-7m
m-8(7-7m)=58
m-56+56m=58
57m = 114
m = 2
-----
n = 7-7m
n = -7