12(n+3)+3n=396

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Solution for 12(n+3)+3n=396 equation: 



12(n+3)+3n=396

We move all terms to the left:

12(n+3)+3n-(396)=0

We add all the numbers together, and all the variables

3n+12(n+3)-396=0

We multiply parentheses

3n+12n+36-396=0

We add all the numbers together, and all the variables

15n-360=0

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

15n=360

n=360/15

n=24

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