3^x-1+3^x+2=84

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Solution for 3^x-1+3^x+2=84 equation: 



3^x-1+3^x+2=84

We move all terms to the left:

3^x-1+3^x+2-(84)=0

We add all the numbers together, and all the variables

3^x+3^x-83=0

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

3^x+3^x=83

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