SOLUTION: 9m + n = 13 m-9n=47

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Question 357780: 9m + n = 13
m-9n=47
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
1.9m+%2B+n+=+13
2.m-9n=47
Multiply eq. 1 by 9 and add to eq. 2 to eliminate n and solve for m.
81m%2B9n%2Bm-9n=117%2B47
82m=164
highlight%28m=2%29
Then use either equation to solve for n.
9%282%29%2Bn=13
18%2Bn=13
highlight%28n=-5%29