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December 22, 2014

Homework Help: math- precalculus

Posted by mia on Monday, December 1, 2008 at 8:27pm.

how do i solve these?


9^(-x)=1/3



2^(2x)+ 2^(x) -12 = 0



(3/5)^x = 7 ^ (1-x)

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