-3(n+4)=9-2n

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Solution for -3(n+4)=9-2n equation: 



-3(n+4)=9-2n

We move all terms to the left:

-3(n+4)-(9-2n)=0

We add all the numbers together, and all the variables

-3(n+4)-(-2n+9)=0

We multiply parentheses

-3n-(-2n+9)-12=0

We get rid of parentheses

-3n+2n-9-12=0

We add all the numbers together, and all the variables

-1n-21=0

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

-n=21

n=21/-1

n=-21

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