2+2n=9n+9

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



2+2n=9n+9

We move all terms to the left:

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

We get rid of parentheses

2n-9n-9+2=0

We add all the numbers together, and all the variables

-7n-7=0

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

-7n=7

n=7/-7

n=-1

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