128=2*(1/2)^x

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Solution for 128=2*(1/2)^x equation: 



128=2(1/2)^x

We move all terms to the left:

128-(2(1/2)^x)=0



Domain of the equation: 2)^x)!=0

x!=0/1

x!=0

x∈R



We add all the numbers together, and all the variables

-(2(+1/2)^x)+128=0

We multiply all the terms by the denominator


-(2(+1+128*2)^x)=0



We calculate terms in parentheses: -(2(+1+128*2)^x), so:

2(+1+128*2)^x

We add all the numbers together, and all the variables

2257^x

Back to the equation:

-(2257^x)



x=0/1

x=0

Równanie nie ma rozwiązania

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