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-2(1/3)^x=-2/81
We move all terms to the left:
-2(1/3)^x-(-2/81)=0
Domain of the equation: 3)^x!=0We add all the numbers together, and all the variables
x!=0/1
x!=0
x∈R
-2(+1/3)^x-(-2/81)=0
We get rid of parentheses
-2(+1/3)^x+2/81=0
We calculate fractions
()/3^x*81)+6x/3^x*81)=0
We can not solve this equation
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