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October 21, 2014

October 21, 2014

Posted by **student** on Sunday, June 23, 2013 at 10:30pm.

log (4x)= log5 + log(x-4)

- math/ algebra -
**Kuai**, Monday, June 24, 2013 at 12:38amLog(4x) -log(x -4) = log5

4x/x-4 = 5

4x = 5(x-4)

4x =5x -20

4x -5x 5x -5x -20

-1x = -20

x = 20

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