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December 21, 2014

December 21, 2014

Posted by **Mike** on Monday, December 1, 2008 at 11:08pm.

9^-x+3=95

Can you help me with these problems

- Math -
**po**, Monday, December 1, 2008 at 11:20pmfor the second one

you take the log of both sides

-x+3log9=log95

then you do algebra

-x=(log95/log9) -3

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