-(3m+4)=2(8.5-m)

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Solution for -(3m+4)=2(8.5-m) equation: 



-(3m+4)=2(8.5-m)

We move all terms to the left:

-(3m+4)-(2(8.5-m))=0

We add all the numbers together, and all the variables

-(3m+4)-(2(-1m+8.5))=0

We get rid of parentheses

-3m-(2(-1m+8.5))-4=0



We calculate terms in parentheses: -(2(-1m+8.5)), so:

2(-1m+8.5)

We multiply parentheses

-2m+17

Back to the equation:

-(-2m+17)



We get rid of parentheses

-3m+2m-17-4=0

We add all the numbers together, and all the variables

-1m-21=0

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

-m=21

m=21/-1

m=-21

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