-8-2m=-7(m-1)

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Solution for -8-2m=-7(m-1) equation: 



-8-2m=-7(m-1)

We move all terms to the left:

-8-2m-(-7(m-1))=0



We calculate terms in parentheses: -(-7(m-1)), so:

-7(m-1)

We multiply parentheses

-7m+7

Back to the equation:

-(-7m+7)



We get rid of parentheses

-2m+7m-7-8=0

We add all the numbers together, and all the variables

5m-15=0

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

5m=15

m=15/5

m=3

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