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8^(4x)=3.1
We move all terms to the left:
8^(4x)-(3.1)=0
We add all the numbers together, and all the variables
8^4x-3.1=0
We move all terms containing x to the left, all other terms to the right
8^4x=3.1
x=3.1/1
x=3.1
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