-12.4m=-7(1.4m+1.3)

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Solution for -12.4m=-7(1.4m+1.3) equation: 



-12.4m=-7(1.4m+1.3)

We move all terms to the left:

-12.4m-(-7(1.4m+1.3))=0



We calculate terms in parentheses: -(-7(1.4m+1.3)), so:

-7(1.4m+1.3)

We multiply parentheses

-7m-9.1

Back to the equation:

-(-7m-9.1)



We get rid of parentheses

-12.4m+7m+9.1=0

We add all the numbers together, and all the variables

-5.4m+9.1=0

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

-5.4m=-9.1

m=-9.1/-5.4

m=1+2.1764705882353/3.1764705882353

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