81.2=7(m+3.2)

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Solution for 81.2=7(m+3.2) equation: 



81.2=7(m+3.2)

We move all terms to the left:

81.2-(7(m+3.2))=0



We calculate terms in parentheses: -(7(m+3.2)), so:

7(m+3.2)

We multiply parentheses

7m+22.4

Back to the equation:

-(7m+22.4)



We get rid of parentheses

-7m-22.4+81.2=0

We add all the numbers together, and all the variables

-7m+58.8=0

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

-7m=-58.8

m=-58.8/-7

m=8+2.8/7

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