6n+9=3n+9

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Solution for 6n+9=3n+9 equation: 



6n+9=3n+9

We move all terms to the left:

6n+9-(3n+9)=0

We get rid of parentheses

6n-3n-9+9=0

We add all the numbers together, and all the variables

3n=0

n=0/3

n=0

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