126=-3(7-5m)

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Solution for 126=-3(7-5m) equation: 



126=-3(7-5m)

We move all terms to the left:

126-(-3(7-5m))=0

We add all the numbers together, and all the variables

-(-3(-5m+7))+126=0



We calculate terms in parentheses: -(-3(-5m+7)), so:

-3(-5m+7)

We multiply parentheses

15m-21

Back to the equation:

-(15m-21)



We get rid of parentheses

-15m+21+126=0

We add all the numbers together, and all the variables

-15m+147=0

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

-15m=-147

m=-147/-15

m=9+4/5

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