9-2n-9n=-5-9n

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Solution for 9-2n-9n=-5-9n equation: 



9-2n-9n=-5-9n

We move all terms to the left:

9-2n-9n-(-5-9n)=0

We add all the numbers together, and all the variables

-2n-9n-(-9n-5)+9=0

We add all the numbers together, and all the variables

-11n-(-9n-5)+9=0

We get rid of parentheses

-11n+9n+5+9=0

We add all the numbers together, and all the variables

-2n+14=0

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

-2n=-14

n=-14/-2

n=+7

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