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Log3(4x-1)=3

Guest Apr 25, 2012

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[input]log(4x-1, 3)=3[/input]

Log3(4x-1)=3
do a 3^.. on both sides (x>0?)
4x-1 = 3^3
4x-1 = 27
+1 on both sides
4x = 28
x = 28/4 = 7

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