85=13+9(2m-1)

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Solution for 85=13+9(2m-1) equation: 



85=13+9(2m-1)

We move all terms to the left:

85-(13+9(2m-1))=0



We calculate terms in parentheses: -(13+9(2m-1)), so:

13+9(2m-1)

determiningTheFunctionDomain
9(2m-1)+13

We multiply parentheses

18m-9+13

We add all the numbers together, and all the variables

18m+4

Back to the equation:

-(18m+4)



We get rid of parentheses

-18m-4+85=0

We add all the numbers together, and all the variables

-18m+81=0

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

-18m=-81

m=-81/-18

m=4+1/2

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