3n=9n-9

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Solution for 3n=9n-9 equation: 



3n=9n-9

We move all terms to the left:

3n-(9n-9)=0

We get rid of parentheses

3n-9n+9=0

We add all the numbers together, and all the variables

-6n+9=0

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

-6n=-9

n=-9/-6

n=1+1/2

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