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8^x+4*64=512
We move all terms to the left:
8^x+4*64-(512)=0
determiningTheFunctionDomain 8^x-512+4*64=0
We add all the numbers together, and all the variables
8^x-256=0
We move all terms containing x to the left, all other terms to the right
8^x=256
x=256/1
x=256
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