3+3n=9+6n

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



3+3n=9+6n

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

3n-6n-9+3=0

We add all the numbers together, and all the variables

-3n-6=0

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

-3n=6

n=6/-3

n=-2

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