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8^(-9x+8)=(1)/(64)
We move all terms to the left:
8^(-9x+8)-((1)/(64))=0
We add all the numbers together, and all the variables
8^(-9x+8)-(+1/64)=0
We get rid of parentheses
8^(-9x+8)-1/64=0
We multiply all the terms by the denominator
(8^(-9x+8))*64-1=0
We move all terms containing x to the left, all other terms to the right
(8^(-9x+8))*64=1
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