12n=9+6-3n

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Solution for 12n=9+6-3n equation: 



12n=9+6-3n

We move all terms to the left:

12n-(9+6-3n)=0

We add all the numbers together, and all the variables

12n-(-3n+15)=0

We get rid of parentheses

12n+3n-15=0

We add all the numbers together, and all the variables

15n-15=0

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

15n=15

n=15/15

n=1

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