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December 21, 2014

December 21, 2014

Posted by **Kelli** on Wednesday, March 10, 2010 at 1:04pm.

- Algebra -
**Reiny**, Wednesday, March 10, 2010 at 1:12pmlog3 (2x – 1) – log3 (x – 4) = 2 , clearly x > 4

(2x-1)/(x-4) = 3^2

2x^2 -9x-5 = 0

(2x+1)(x-5) = 0

x = -1/2 or x = 5

but x > 4, so

x = 5

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