2+9n=2n+9

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



2+9n=2n+9

We move all terms to the left:

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

We get rid of parentheses

9n-2n-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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