3m-(7m+12)=-2(m-3)

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Solution for 3m-(7m+12)=-2(m-3) equation: 



3m-(7m+12)=-2(m-3)

We move all terms to the left:

3m-(7m+12)-(-2(m-3))=0

We get rid of parentheses

3m-7m-(-2(m-3))-12=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 add all the numbers together, and all the variables

-4m-(-2m+6)-12=0

We get rid of parentheses

-4m+2m-6-12=0

We add all the numbers together, and all the variables

-2m-18=0

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

-2m=18

m=18/-2

m=-9

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