3^x-1=1/81

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Solution for 3^x-1=1/81 equation: 



3^x-1=1/81

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

3^x-1-1/81=0

We multiply all the terms by the denominator


3^x*81-1-1*81=0

We add all the numbers together, and all the variables

3^x*81-82=0

Wy multiply elements

243x-82=0

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

243x=82

x=82/243

x=82/243

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