9^7/9^n=9^2

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Solution for 9^7/9^n=9^2 equation: 



9^7/9^n=9^2

We move all terms to the left:

9^7/9^n-(9^2)=0



Domain of the equation: 9^n!=0

n!=0/1

n!=0

n∈R



We add all the numbers together, and all the variables

9^7/9^n-81=0

We multiply all the terms by the denominator


-81*9^n+9^7=0

We add all the numbers together, and all the variables

-81*9^n+4782969=0

Wy multiply elements

-729n+4782969=0

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

-729n=-4782969

n=-4782969/-729

n=+6561

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