81.9=7(m+3.8)

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Solution for 81.9=7(m+3.8) equation: 



81.9=7(m+3.8)

We move all terms to the left:

81.9-(7(m+3.8))=0



We calculate terms in parentheses: -(7(m+3.8)), so:

7(m+3.8)

We multiply parentheses

7m+26.6

Back to the equation:

-(7m+26.6)



We get rid of parentheses

-7m-26.6+81.9=0

We add all the numbers together, and all the variables

-7m+55.3=0

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

-7m=-55.3

m=-55.3/-7

m=7+4.8461538461539/5.3846153846154

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