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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

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

We multiply parentheses

-15n+9+81=0

We add all the numbers together, and all the variables

-15n+90=0

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

-15n=-90

n=-90/-15

n=+6

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