18n-9-12=6n+24

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Solution for 18n-9-12=6n+24 equation: 



18n-9-12=6n+24

We move all terms to the left:

18n-9-12-(6n+24)=0

We add all the numbers together, and all the variables

18n-(6n+24)-21=0

We get rid of parentheses

18n-6n-24-21=0

We add all the numbers together, and all the variables

12n-45=0

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

12n=45

n=45/12

n=3+3/4

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