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September 13th, 2013, 05:48 AM  #1 
Newbie Joined: Sep 2013 Posts: 3 Thanks: 0  help with equation.
If 1/3 is subtracted from 3 times the reciprocal of a certain number, x, the result is 4. Which of the following equations determines the correct value x? 3/x1/3=4. 1/3x1/3=4. 3(x)1/3=4. 1/33/x=4 . 1/33x=4. Please help. Thanks. 
September 13th, 2013, 07:44 AM  #2 
Member Joined: Apr 2013 Posts: 65 Thanks: 0  Re: help with equation.
Number: x The reciprocal of x: 1/x 3 times the reciprocal of x: 3/x Substract 1/3 from 3/x: 3/x  1/x which equals 4 Is that clear? 
September 13th, 2013, 09:00 AM  #3 
Senior Member Joined: Jul 2012 From: DFW Area Posts: 635 Thanks: 96 Math Focus: Electrical Engineering Applications  Re: help with equation.
Did you mean 3/x  1/3 = 4 ?

September 13th, 2013, 10:22 AM  #4  
Math Team Joined: Oct 2011 From: Ottawa Ontario, Canada Posts: 14,301 Thanks: 1023  Re: help with equation. Quote:
 

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