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(1/3)^(x/5)=(1/9)

 Nov 13, 2014

Best Answer 

 #1
avatar+118723 
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$$\\(1/3)^{x/5}=(1/9)\\
(3^{-1})^{x/5}=(1/3^2)\\
3^{-x/5}=3^{-2}\\
-x/5=-2\\
x/5=2\\
x=10$$

.
 Nov 13, 2014
 #1
avatar+118723 
+5
Best Answer

$$\\(1/3)^{x/5}=(1/9)\\
(3^{-1})^{x/5}=(1/3^2)\\
3^{-x/5}=3^{-2}\\
-x/5=-2\\
x/5=2\\
x=10$$

Melody Nov 13, 2014

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