6n+9=2n-3

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Solution for 6n+9=2n-3 equation: 



6n+9=2n-3

We move all terms to the left:

6n+9-(2n-3)=0

We get rid of parentheses

6n-2n+3+9=0

We add all the numbers together, and all the variables

4n+12=0

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

4n=-12

n=-12/4

n=-3

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