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

solve the equation log (4x)= log5 + log(x-4)

Log(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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