91.2=8(m+2.1)

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Solution for 91.2=8(m+2.1) equation: 



91.2=8(m+2.1)

We move all terms to the left:

91.2-(8(m+2.1))=0



We calculate terms in parentheses: -(8(m+2.1)), so:

8(m+2.1)

We multiply parentheses

8m+16.8

Back to the equation:

-(8m+16.8)



We get rid of parentheses

-8m-16.8+91.2=0

We add all the numbers together, and all the variables

-8m+74.4=0

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

-8m=-74.4

m=-74.4/-8

m=9+1/3.3333333333333

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