3n+15=2n+6

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Solution for 3n+15=2n+6 equation: 



3n+15=2n+6

We move all terms to the left:

3n+15-(2n+6)=0

We get rid of parentheses

3n-2n-6+15=0

We add all the numbers together, and all the variables

n+9=0

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

n=-9

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