20-11n-9=-17-9n

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Solution for 20-11n-9=-17-9n equation: 



20-11n-9=-17-9n

We move all terms to the left:

20-11n-9-(-17-9n)=0

We add all the numbers together, and all the variables

-11n-(-9n-17)+20-9=0

We add all the numbers together, and all the variables

-11n-(-9n-17)+11=0

We get rid of parentheses

-11n+9n+17+11=0

We add all the numbers together, and all the variables

-2n+28=0

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

-2n=-28

n=-28/-2

n=+14

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