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4^x-3=1/128
We move all terms to the left:
4^x-3-(1/128)=0
We add all the numbers together, and all the variables
4^x-3-(+1/128)=0
We get rid of parentheses
4^x-3-1/128=0
We multiply all the terms by the denominator
4^x*128-1-3*128=0
We add all the numbers together, and all the variables
4^x*128-385=0
Wy multiply elements
512x-385=0
We move all terms containing x to the left, all other terms to the right
512x=385
x=385/512
x=385/512
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