-3m-7=-8

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Solution for -3m-7=-8 equation: 



-3m-7=-8

We move all terms to the left:

-3m-7-(-8)=0

We add all the numbers together, and all the variables

-3m+1=0

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

-3m=-1

m=-1/-3

m=1/3

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