3^k-2=81

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Solution for 3^k-2=81 equation: 



3^k-2=81

We move all terms to the left:

3^k-2-(81)=0

We add all the numbers together, and all the variables

3^k-83=0

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

3^k=83

k=83/1

k=83

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