-31=3(m-1)-4

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Solution for -31=3(m-1)-4 equation: 



-31=3(m-1)-4

We move all terms to the left:

-31-(3(m-1)-4)=0



We calculate terms in parentheses: -(3(m-1)-4), so:

3(m-1)-4

We multiply parentheses

3m-3-4

We add all the numbers together, and all the variables

3m-7

Back to the equation:

-(3m-7)



We get rid of parentheses

-3m+7-31=0

We add all the numbers together, and all the variables

-3m-24=0

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

-3m=24

m=24/-3

m=-8

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