81=9^n+5

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Solution for 81=9^n+5 equation: 



81=9^n+5

We move all terms to the left:

81-(9^n+5)=0

We get rid of parentheses

-9^n-5+81=0

We add all the numbers together, and all the variables

-9^n+76=0

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

-9^n=-76

n=-76/1

n=-76

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