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Mathematics
OpenStudy (anonymous):

unequal bases, solve!?

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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