-78=7m-8

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Solution for -78=7m-8 equation: 



-78=7m-8

We move all terms to the left:

-78-(7m-8)=0

We get rid of parentheses

-7m+8-78=0

We add all the numbers together, and all the variables

-7m-70=0

We move all terms containing m to the left, all other terms to the right

-7m=70

m=70/-7

m=-10

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