3 years ago

8 +7m = m +5m5 +2n = -1 +4n

1 answer:

4 0

8 +7m=6m (combine like terms)
8=-m ( subtract 7m on both sides)
m=8 (divide by -1)

5=-1+2n ( subtract 2n on both sides)
6=2n (add 1 on both sides)
3=n (divide by 2 on both sides)

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