13+m=4(8+5m)

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Solution for 13+m=4(8+5m) equation: 



13+m=4(8+5m)

We move all terms to the left:

13+m-(4(8+5m))=0

We add all the numbers together, and all the variables

m-(4(5m+8))+13=0



We calculate terms in parentheses: -(4(5m+8)), so:

4(5m+8)

We multiply parentheses

20m+32

Back to the equation:

-(20m+32)



We get rid of parentheses

m-20m-32+13=0

We add all the numbers together, and all the variables

-19m-19=0

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

-19m=19

m=19/-19

m=-1

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