12-9n=-20n-3

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Solution for 12-9n=-20n-3 equation: 



12-9n=-20n-3

We move all terms to the left:

12-9n-(-20n-3)=0

We get rid of parentheses

-9n+20n+3+12=0

We add all the numbers together, and all the variables

11n+15=0

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

11n=-15

n=-15/11

n=-1+4/11

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