# algebra

posted by Barbara

solve by the substitution method:

8m+n=47

m-5n=52

thank you
having trouble completing please show all work so I can learn better

1. Reiny

from the 2nd ---> m = 52 + 5n

into the 1st:
8(52+5n) + n = 47
for that I got n = -9

put that back into
m = 52 + 5n
= 52 - 45
= 7

2. Anonymous

3x=52+5y
2x=-48-7y

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