SOLUTION: 15^-x=24

Question 403106: 15^-x=24
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
15^-x=24
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The variable is in the exponent, so use logs.
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(-x)log(15) = log(24)
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-x = [log(24)/log(15)]
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-x = 1.1736
x = -1.1726
=================
cheers,
Stan H.
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