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January 28, 2015

January 28, 2015

Posted by **Rina** on Thursday, June 7, 2012 at 12:20am.

ln(4x-2)-ln(4)=-ln(x-2)

Thanks in advance

- College Algebra -
**drwls**, Thursday, June 7, 2012 at 3:55amln[(4x-2)/4] = ln[1/(x-2)]

(4x -2)/4 = 1/(x-2)

x - 1/2 = 1/(x-2)

x^2 -x/2 -2x +1 = 1

x^2 -(5/2)x = 0

x = 0 or 5/2

0 is not allowed since ln of a negative number is undefined

x = 5/2

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