81.9=9(m+2.2)

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Solution for 81.9=9(m+2.2) equation: 



81.9=9(m+2.2)

We move all terms to the left:

81.9-(9(m+2.2))=0



We calculate terms in parentheses: -(9(m+2.2)), so:

9(m+2.2)

We multiply parentheses

9m+19.8

Back to the equation:

-(9m+19.8)



We get rid of parentheses

-9m-19.8+81.9=0

We add all the numbers together, and all the variables

-9m+62.1=0

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

-9m=-62.1

m=-62.1/-9

m=6+7.36363636364/8.18181818182

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