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2^-x=0.1
We move all terms to the left:
2^-x-(0.1)=0
We add all the numbers together, and all the variables
-1x+0.93303299153681=0
We move all terms containing x to the left, all other terms to the right
-x=-0.93303299153681
x=-0.93303299153681/-1
x=0.93303299153681/1
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