214=-3m-4(7m-7)

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Solution for 214=-3m-4(7m-7) equation: 



214=-3m-4(7m-7)

We move all terms to the left:

214-(-3m-4(7m-7))=0



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

-3m-4(7m-7)

We multiply parentheses

-3m-28m+28

We add all the numbers together, and all the variables

-31m+28

Back to the equation:

-(-31m+28)



We get rid of parentheses

31m-28+214=0

We add all the numbers together, and all the variables

31m+186=0

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

31m=-186

m=-186/31

m=-6

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