5(-1-7m)=5(-8m+7)

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Solution for 5(-1-7m)=5(-8m+7) equation: 



5(-1-7m)=5(-8m+7)

We move all terms to the left:

5(-1-7m)-(5(-8m+7))=0

We add all the numbers together, and all the variables

5(-7m-1)-(5(-8m+7))=0

We multiply parentheses

-35m-(5(-8m+7))-5=0



We calculate terms in parentheses: -(5(-8m+7)), so:

5(-8m+7)

We multiply parentheses

-40m+35

Back to the equation:

-(-40m+35)



We get rid of parentheses

-35m+40m-35-5=0

We add all the numbers together, and all the variables

5m-40=0

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

5m=40

m=40/5

m=8

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