126=-9(m-1)

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Solution for 126=-9(m-1) equation: 



126=-9(m-1)

We move all terms to the left:

126-(-9(m-1))=0



We calculate terms in parentheses: -(-9(m-1)), so:

-9(m-1)

We multiply parentheses

-9m+9

Back to the equation:

-(-9m+9)



We get rid of parentheses

9m-9+126=0

We add all the numbers together, and all the variables

9m+117=0

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

9m=-117

m=-117/9

m=-13

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