3n+6=n+9

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



3n+6=n+9

We move all terms to the left:

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

We get rid of parentheses

3n-n-9+6=0

We add all the numbers together, and all the variables

2n-3=0

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

2n=3

n=3/2

n=1+1/2

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