3m+12=-(3-8m)

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Solution for 3m+12=-(3-8m) equation: 



3m+12=-(3-8m)

We move all terms to the left:

3m+12-(-(3-8m))=0

We add all the numbers together, and all the variables

3m-(-(-8m+3))+12=0



We calculate terms in parentheses: -(-(-8m+3)), so:

-(-8m+3)

We get rid of parentheses

8m-3

Back to the equation:

-(8m-3)



We get rid of parentheses

3m-8m+3+12=0

We add all the numbers together, and all the variables

-5m+15=0

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

-5m=-15

m=-15/-5

m=+3

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