-6n+2n+9=-9-2n

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



-6n+2n+9=-9-2n

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

-4n-(-2n-9)+9=0

We get rid of parentheses

-4n+2n+9+9=0

We add all the numbers together, and all the variables

-2n+18=0

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

-2n=-18

n=-18/-2

n=+9

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