-3m+8=-31

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Solution for -3m+8=-31 equation: 



-3m+8=-31

We move all terms to the left:

-3m+8-(-31)=0

We add all the numbers together, and all the variables

-3m+39=0

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

-3m=-39

m=-39/-3

m=+13

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