SOLUTION: What is the solution for the exponential equation 9^-x=(1/3)

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Question 1007713: What is the solution for the exponential equation 9^-x=(1/3)
Answer by lwsshak3(11628) About Me  (Show Source):
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What is the solution for the exponential equation 9^-x=(1/3)
9^-x=1/3
(3^2)^-x=3^-1
3^-2x=3^-1
-2x=-1
x=1/2