13-5m=-3(7m+1)

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Solution for 13-5m=-3(7m+1) equation: 



13-5m=-3(7m+1)

We move all terms to the left:

13-5m-(-3(7m+1))=0



We calculate terms in parentheses: -(-3(7m+1)), so:

-3(7m+1)

We multiply parentheses

-21m-3

Back to the equation:

-(-21m-3)



We get rid of parentheses

-5m+21m+3+13=0

We add all the numbers together, and all the variables

16m+16=0

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

16m=-16

m=-16/16

m=-1

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