1+2m=-8m-3(-7m-4)

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Solution for 1+2m=-8m-3(-7m-4) equation: 



1+2m=-8m-3(-7m-4)

We move all terms to the left:

1+2m-(-8m-3(-7m-4))=0



We calculate terms in parentheses: -(-8m-3(-7m-4)), so:

-8m-3(-7m-4)

We multiply parentheses

-8m+21m+12

We add all the numbers together, and all the variables

13m+12

Back to the equation:

-(13m+12)



We get rid of parentheses

2m-13m-12+1=0

We add all the numbers together, and all the variables

-11m-11=0

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

-11m=11

m=11/-11

m=-1

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