3^x-4=1/81

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Solution for 3^x-4=1/81 equation: 



3^x-4=1/81

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

3^x-4-1/81=0

We multiply all the terms by the denominator


3^x*81-1-4*81=0

We add all the numbers together, and all the variables

3^x*81-325=0

Wy multiply elements

243x-325=0

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

243x=325

x=325/243

x=1+82/243

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