3n+12=9(n+4)

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Solution for 3n+12=9(n+4) equation: 



3n+12=9(n+4)

We move all terms to the left:

3n+12-(9(n+4))=0



We calculate terms in parentheses: -(9(n+4)), so:

9(n+4)

We multiply parentheses

9n+36

Back to the equation:

-(9n+36)



We get rid of parentheses

3n-9n-36+12=0

We add all the numbers together, and all the variables

-6n-24=0

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

-6n=24

n=24/-6

n=-4

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