126=-7(7m+3)

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Solution for 126=-7(7m+3) equation: 



126=-7(7m+3)

We move all terms to the left:

126-(-7(7m+3))=0



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

-7(7m+3)

We multiply parentheses

-49m-21

Back to the equation:

-(-49m-21)



We get rid of parentheses

49m+21+126=0

We add all the numbers together, and all the variables

49m+147=0

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

49m=-147

m=-147/49

m=-3

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