57=-8(2-3m)-7(m-8)

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Solution for 57=-8(2-3m)-7(m-8) equation: 



57=-8(2-3m)-7(m-8)

We move all terms to the left:

57-(-8(2-3m)-7(m-8))=0

We add all the numbers together, and all the variables

-(-8(-3m+2)-7(m-8))+57=0



We calculate terms in parentheses: -(-8(-3m+2)-7(m-8)), so:

-8(-3m+2)-7(m-8)

We multiply parentheses

24m-7m-16+56

We add all the numbers together, and all the variables

17m+40

Back to the equation:

-(17m+40)



We get rid of parentheses

-17m-40+57=0

We add all the numbers together, and all the variables

-17m+17=0

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

-17m=-17

m=-17/-17

m=1

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