-3(3n+9)-n=-57

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Solution for -3(3n+9)-n=-57 equation: 



-3(3n+9)-n=-57

We move all terms to the left:

-3(3n+9)-n-(-57)=0

We add all the numbers together, and all the variables

-1n-3(3n+9)+57=0

We multiply parentheses

-1n-9n-27+57=0

We add all the numbers together, and all the variables

-10n+30=0

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

-10n=-30

n=-30/-10

n=+3

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