99=9(m+3.9)

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Solution for 99=9(m+3.9) equation: 



99=9(m+3.9)

We move all terms to the left:

99-(9(m+3.9))=0



We calculate terms in parentheses: -(9(m+3.9)), so:

9(m+3.9)

We multiply parentheses

9m+35.1

Back to the equation:

-(9m+35.1)



We get rid of parentheses

-9m-35.1+99=0

We add all the numbers together, and all the variables

-9m+63.9=0

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

-9m=-63.9

m=-63.9/-9

m=7+0.9/9

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