7n-12=3n+8

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Solution for 7n-12=3n+8 equation: 



7n-12=3n+8

We move all terms to the left:

7n-12-(3n+8)=0

We get rid of parentheses

7n-3n-8-12=0

We add all the numbers together, and all the variables

4n-20=0

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

4n=20

n=20/4

n=5

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