-81=3(4n-3)

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Solution for -81=3(4n-3) equation: 



-81=3(4n-3)

We move all terms to the left:

-81-(3(4n-3))=0



We calculate terms in parentheses: -(3(4n-3)), so:

3(4n-3)

We multiply parentheses

12n-9

Back to the equation:

-(12n-9)



We get rid of parentheses

-12n+9-81=0

We add all the numbers together, and all the variables

-12n-72=0

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

-12n=72

n=72/-12

n=-6

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