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OpenStudy (anonymous):
unequal bases, solve!?
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OpenStudy (anonymous):
|dw:1331598943835:dw| anyone help?
jimthompson5910 (jim_thompson5910):
9^(3x) = 7 ln(9^(3x)) = ln(7) 3x*ln(9) = ln(7) x*(3ln(9)) = ln(7) x = ln(7)/(3ln(9)) x = 1.9459/(3*2.1972) x = 1.9459/6.5916 x = 0.2952 So the answer is approximately x = 0.2952
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