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(4)/(81)=4(3)^(x)
We move all terms to the left:
(4)/(81)-(4(3)^(x))=0
determiningTheFunctionDomain -43^x+4/81=0
We multiply all the terms by the denominator
-43^x*81+4=0
Wy multiply elements
-3483x+4=0
We move all terms containing x to the left, all other terms to the right
-3483x=-4
x=-4/-3483
x=4/3483
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