4n+12=n+3

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Solution for 4n+12=n+3 equation: 



4n+12=n+3

We move all terms to the left:

4n+12-(n+3)=0

We get rid of parentheses

4n-n-3+12=0

We add all the numbers together, and all the variables

3n+9=0

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

3n=-9

n=-9/3

n=-3

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