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1/2^x=1/128
We move all terms to the left:
1/2^x-(1/128)=0
Domain of the equation: 2^x!=0We add all the numbers together, and all the variables
x!=0/1
x!=0
x∈R
1/2^x-(+1/128)=0
We get rid of parentheses
1/2^x-1/128=0
We calculate fractions
There is no solution for this equation
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