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December 14th, 2015, 08:18 PM  #1 
Newbie Joined: Dec 2015 From: prince george b.c canada Posts: 8 Thanks: 0  rearranging an equation
Hello, I have a question that I'm having trouble with. It's for my adult education course and there's no teacher, so I have to research everything online. Well, I'm ok at rearranging equations, but I couldn't find this particular one online or an example of it. Maybe some tips or pointers would be helpful. I have to solve for Ti V = Df Di/ TfTi So I got to this step V(TfTi) = DfDi and from there I got to VTfVTi = DfDi I have no idea where to go from here; any help would be greatly appreciated. Last edited by skipjack; December 14th, 2015 at 08:42 PM. 
December 14th, 2015, 08:49 PM  #2 
Global Moderator Joined: Dec 2006 Posts: 20,931 Thanks: 2205 
Dividing your last equation by V gives Tf  Ti = (Df  Di)/V, so Ti = Tf  (Df  Di)/V.

December 17th, 2015, 09:26 AM  #3 
Math Team Joined: Oct 2011 From: Ottawa Ontario, Canada Posts: 14,597 Thanks: 1038  
December 17th, 2015, 09:28 AM  #4 
Math Team Joined: Oct 2011 From: Ottawa Ontario, Canada Posts: 14,597 Thanks: 1038  

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