n-3(-5+4n)=81

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Solution for n-3(-5+4n)=81 equation: 



n-3(-5+4n)=81

We move all terms to the left:

n-3(-5+4n)-(81)=0

We add all the numbers together, and all the variables

n-3(4n-5)-81=0

We multiply parentheses

n-12n+15-81=0

We add all the numbers together, and all the variables

-11n-66=0

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

-11n=66

n=66/-11

n=-6

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