-2n-3=2n+9

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



-2n-3=2n+9

We move all terms to the left:

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

We get rid of parentheses

-2n-2n-9-3=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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