6n-12=3n+18

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Solution for 6n-12=3n+18 equation: 



6n-12=3n+18

We move all terms to the left:

6n-12-(3n+18)=0

We get rid of parentheses

6n-3n-18-12=0

We add all the numbers together, and all the variables

3n-30=0

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

3n=30

n=30/3

n=10

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