42=2(m+3)

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



42=2(m+3)

We move all terms to the left:

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



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

2(m+3)

We multiply parentheses

2m+6

Back to the equation:

-(2m+6)



We get rid of parentheses

-2m-6+42=0

We add all the numbers together, and all the variables

-2m+36=0

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

-2m=-36

m=-36/-2

m=+18

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