1/9^x=81

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Solution for 1/9^x=81 equation: 



1/9^x=81

We move all terms to the left:

1/9^x-(81)=0



Domain of the equation: 9^x!=0

x!=0/1

x!=0

x∈R



We multiply all the terms by the denominator


-81*9^x+1=0

Wy multiply elements

-729x+1=0

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

-729x=-1

x=-1/-729

x=1/729

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