-90=-6(3+2m)

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Solution for -90=-6(3+2m) equation: 



-90=-6(3+2m)

We move all terms to the left:

-90-(-6(3+2m))=0

We add all the numbers together, and all the variables

-(-6(2m+3))-90=0



We calculate terms in parentheses: -(-6(2m+3)), so:

-6(2m+3)

We multiply parentheses

-12m-18

Back to the equation:

-(-12m-18)



We get rid of parentheses

12m+18-90=0

We add all the numbers together, and all the variables

12m-72=0

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

12m=72

m=72/12

m=6

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