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4^y-2=1/256
We move all terms to the left:
4^y-2-(1/256)=0
We add all the numbers together, and all the variables
4^y-2-(+1/256)=0
We get rid of parentheses
4^y-2-1/256=0
We multiply all the terms by the denominator
4^y*256-1-2*256=0
We add all the numbers together, and all the variables
4^y*256-513=0
Wy multiply elements
1024y-513=0
We move all terms containing y to the left, all other terms to the right
1024y=513
y=513/1024
y=513/1024
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