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256^x+2=16^3x+9
We move all terms to the left:
256^x+2-(16^3x+9)=0
We get rid of parentheses
256^x-16^3x-9+2=0
We add all the numbers together, and all the variables
256^x-16^3x-7=0
We move all terms containing x to the left, all other terms to the right
256^x-16^3x=7
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