2^x-4=82.1

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Solution for 2^x-4=82.1 equation: 



2^x-4=82.1

We move all terms to the left:

2^x-4-(82.1)=0

We add all the numbers together, and all the variables

2^x-86.1=0

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

2^x=86.1

x=86.1/1

x=86.1

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