SOLUTION: ln 28 - ln (x-3) = ln x Solve for x

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Question 1005468: ln 28 - ln (x-3) = ln x
Solve for x
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
ln 28 - ln (x-3) = ln x
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ln[28/(x-3)) = ln(x)
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28/(x-3) = x
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x^2 - 3x - 28 = 0
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Factor:
(x-7)(x+3) = 0
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Acceptable answer since x must be positive::
x = 7
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Cheers,
Stan H.
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