6n=3n+9

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Solution for 6n=3n+9 equation: 



6n=3n+9

We move all terms to the left:

6n-(3n+9)=0

We get rid of parentheses

6n-3n-9=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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