4n=12+n

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Solution for 4n=12+n equation: 



4n=12+n

We move all terms to the left:

4n-(12+n)=0

We add all the numbers together, and all the variables

4n-(n+12)=0

We get rid of parentheses

4n-n-12=0

We add all the numbers together, and all the variables

3n-12=0

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

3n=12

n=12/3

n=4

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