4^-x=1/81

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Solution for 4^-x=1/81 equation: 



4^-x=1/81

We move all terms to the left:

4^-x-(1/81)=0

We add all the numbers together, and all the variables

-x+4^-(+1/81)=0

We add all the numbers together, and all the variables

-1x-(+1/81)=0

We get rid of parentheses

-1x-1/81=0

We multiply all the terms by the denominator


-1x*81-1=0

Wy multiply elements

-81x-1=0

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

-81x=1

x=1/-81

x=-1/81

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