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posted by Saiyuri on Thursday, April 12, 2012 at 1:01pm.

Solve for x: log base 25 (log base 7 X)= -1/2

log25(log7(x)) = -1/2 since 25^1/2 = 5, 25^-1/2 = 1/5 log7(x) = 1/5 x = 7^1/5

thanks!

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