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3.96=(0.2/0.1)^x
We move all terms to the left:
3.96-((0.2/0.1)^x)=0
Domain of the equation: 0.1)^x)!=0We add all the numbers together, and all the variables
x!=0/1
x!=0
x∈R
-(2^x)+3.96=0
We add all the numbers together, and all the variables
-2^x+3.96=0
We move all terms containing x to the left, all other terms to the right
-2^x=-3.96
x=-3.96/1
x=-3.96
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