42=3(-2+m)

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Solution for 42=3(-2+m) equation: 



42=3(-2+m)

We move all terms to the left:

42-(3(-2+m))=0

We add all the numbers together, and all the variables

-(3(m-2))+42=0



We calculate terms in parentheses: -(3(m-2)), so:

3(m-2)

We multiply parentheses

3m-6

Back to the equation:

-(3m-6)



We get rid of parentheses

-3m+6+42=0

We add all the numbers together, and all the variables

-3m+48=0

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

-3m=-48

m=-48/-3

m=+16

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