-231=-7(5m-7)

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Solution for -231=-7(5m-7) equation: 



-231=-7(5m-7)

We move all terms to the left:

-231-(-7(5m-7))=0



We calculate terms in parentheses: -(-7(5m-7)), so:

-7(5m-7)

We multiply parentheses

-35m+49

Back to the equation:

-(-35m+49)



We get rid of parentheses

35m-49-231=0

We add all the numbers together, and all the variables

35m-280=0

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

35m=280

m=280/35

m=8

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