
Algebra PreAlgebra and Basic Algebra Math Forum 
 LinkBack  Thread Tools  Display Modes 
September 15th, 2009, 12:49 PM  #1 
Newbie Joined: Sep 2009 Posts: 3 Thanks: 0  Rearrange for "a" which appears twice
I need to rearrange this eq, for "a" however i am confused as it appears twice but understand it can be done. X= [(ab)/c(a?)] * [d/e] here is the actual equation if needed W/R=[(?fR ?iR)/(?iW(?fR ?) ] * [CiR/CiW] Thanks 
September 15th, 2009, 03:38 PM  #2 
Senior Member Joined: Jun 2009 Posts: 150 Thanks: 0  Re: Rearrange for "a" which appears twice
Do you know the method "crossmultiply"?

September 15th, 2009, 03:40 PM  #3 
Newbie Joined: Sep 2009 Posts: 3 Thanks: 0  Re: Rearrange for "a" which appears twice
No its been a long time since i have had to do any thing like this...anychance of you showing me the worked eq.?

September 16th, 2009, 02:13 PM  #4 
Senior Member Joined: Jun 2009 Posts: 150 Thanks: 0  Re: Rearrange for "a" which appears twice
We're not supposed to do it for you, we're supposed to help you figure out how to do it. "Cross multiply" starts with an equation like and converts that to one without fractions: Will that help in your problem? 

Tags 
appears, rearrange 
Thread Tools  
Display Modes  

Similar Threads  
Thread  Thread Starter  Forum  Replies  Last Post 
"Zero" appears in A ,and digit number of A  Albert.Teng  Algebra  22  July 8th, 2013 11:31 AM 
A "simple" application of dirac delta "shift theorem"...help  SedaKhold  Calculus  0  February 13th, 2012 11:45 AM 
"separate and integrate" or "Orangutang method"  The Chaz  Calculus  1  August 5th, 2011 09:03 PM 
sample exerimentneed help finding "statistic" and "result"  katie0127  Advanced Statistics  0  December 3rd, 2008 01:54 PM 