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

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



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

We move all terms to the left:

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



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

x∈R



We add all the numbers together, and all the variables

x/(-2)^x+127=0

We multiply all the terms by the denominator


x+127*(-2)^x=0

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