81=-3(1-4m)

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Solution for 81=-3(1-4m) equation: 



81=-3(1-4m)

We move all terms to the left:

81-(-3(1-4m))=0

We add all the numbers together, and all the variables

-(-3(-4m+1))+81=0



We calculate terms in parentheses: -(-3(-4m+1)), so:

-3(-4m+1)

We multiply parentheses

12m-3

Back to the equation:

-(12m-3)



We get rid of parentheses

-12m+3+81=0

We add all the numbers together, and all the variables

-12m+84=0

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

-12m=-84

m=-84/-12

m=+7

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