-129=-3-7(3m-6)

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Solution for -129=-3-7(3m-6) equation: 



-129=-3-7(3m-6)

We move all terms to the left:

-129-(-3-7(3m-6))=0



We calculate terms in parentheses: -(-3-7(3m-6)), so:

-3-7(3m-6)

determiningTheFunctionDomain
-7(3m-6)-3

We multiply parentheses

-21m+42-3

We add all the numbers together, and all the variables

-21m+39

Back to the equation:

-(-21m+39)



We get rid of parentheses

21m-39-129=0

We add all the numbers together, and all the variables

21m-168=0

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

21m=168

m=168/21

m=8

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