7n-12-3n=12

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Solution for 7n-12-3n=12 equation: 



7n-12-3n=12

We move all terms to the left:

7n-12-3n-(12)=0

We add all the numbers together, and all the variables

4n-24=0

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

4n=24

n=24/4

n=6

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