3n-6=12-3n

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



3n-6=12-3n

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

3n+3n-12-6=0

We add all the numbers together, and all the variables

6n-18=0

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

6n=18

n=18/6

n=3

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