m+7=2(m-1)

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Solution for m+7=2(m-1) equation: 



m+7=2(m-1)

We move all terms to the left:

m+7-(2(m-1))=0



We calculate terms in parentheses: -(2(m-1)), so:

2(m-1)

We multiply parentheses

2m-2

Back to the equation:

-(2m-2)



We get rid of parentheses

m-2m+2+7=0

We add all the numbers together, and all the variables

-1m+9=0

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

-m=-9

m=-9/-1

m=+9

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