-13+8m=7(7m+5)-7

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Solution for -13+8m=7(7m+5)-7 equation: 



-13+8m=7(7m+5)-7

We move all terms to the left:

-13+8m-(7(7m+5)-7)=0



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

7(7m+5)-7

We multiply parentheses

49m+35-7

We add all the numbers together, and all the variables

49m+28

Back to the equation:

-(49m+28)



We get rid of parentheses

8m-49m-28-13=0

We add all the numbers together, and all the variables

-41m-41=0

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

-41m=41

m=41/-41

m=-1

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