-18=-2(3+3m)

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Solution for -18=-2(3+3m) equation: 



-18=-2(3+3m)

We move all terms to the left:

-18-(-2(3+3m))=0

We add all the numbers together, and all the variables

-(-2(3m+3))-18=0



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

-2(3m+3)

We multiply parentheses

-6m-6

Back to the equation:

-(-6m-6)



We get rid of parentheses

6m+6-18=0

We add all the numbers together, and all the variables

6m-12=0

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

6m=12

m=12/6

m=2

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