-7m=-1-2(2m+10)

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Solution for -7m=-1-2(2m+10) equation: 



-7m=-1-2(2m+10)

We move all terms to the left:

-7m-(-1-2(2m+10))=0



We calculate terms in parentheses: -(-1-2(2m+10)), so:

-1-2(2m+10)

determiningTheFunctionDomain
-2(2m+10)-1

We multiply parentheses

-4m-20-1

We add all the numbers together, and all the variables

-4m-21

Back to the equation:

-(-4m-21)



We get rid of parentheses

-7m+4m+21=0

We add all the numbers together, and all the variables

-3m+21=0

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

-3m=-21

m=-21/-3

m=+7

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