6+6n=3n+12

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Solution for 6+6n=3n+12 equation: 



6+6n=3n+12

We move all terms to the left:

6+6n-(3n+12)=0

We get rid of parentheses

6n-3n-12+6=0

We add all the numbers together, and all the variables

3n-6=0

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

3n=6

n=6/3

n=2

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