9(n+2)=81

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Solution for 9(n+2)=81 equation: 



9(n+2)=81

We move all terms to the left:

9(n+2)-(81)=0

We multiply parentheses

9n+18-81=0

We add all the numbers together, and all the variables

9n-63=0

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

9n=63

n=63/9

n=7

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