SOLUTION: I need help with solving this problem Solve by the substitution method. 8m + n = 32 m - 2n = 21 Thanks :o)

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Question 329368: I need help with solving this problem
Solve by the substitution method.
8m + n = 32
m - 2n = 21

Thanks :o)
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
1.8m+%2B+n+=+32
2.m+-+2n+=+21
From eq. 1,
n=32-8m
Substitute into eq. 2,
m-2%2832-8m%29=21
m-64%2B16m=21
17m=85
highlight%28m=5%29
Then from above,
n=32-40
highlight%28n=-8%29