My Math Forum solving for x

 Algebra Pre-Algebra and Basic Algebra Math Forum

 April 28th, 2013, 10:26 AM #1 Newbie   Joined: Apr 2013 Posts: 2 Thanks: 0 solving for x solving for x: here is the problem http://i22.photobucket.com/albums/b318/ ... 0ddddc.jpg im stuck with this type of problem, can anyone help?
 April 28th, 2013, 12:32 PM #2 Senior Member   Joined: Sep 2012 From: British Columbia, Canada Posts: 764 Thanks: 53 Re: solving for x Cross multiply to get rid of the fractions, then group the terms and factor.
 April 28th, 2013, 03:41 PM #3 Global Moderator   Joined: Dec 2006 Posts: 21,015 Thanks: 2250 $\frac{\small12}{x\small\,+\,6}\,-\,3\,=\,\frac{{\small20 - }x}{{\small4}x\small{\,+\,24}}$ $\frac{\small12}{x\small\,+\,6}\,-\,3\,=\,\frac{{\small20 - }x}{{\small4}(x\small{\,+\,6})}$ $48\,-\,12(x\,+\,6)\,=\,20\,-\,x$ etc.
 April 28th, 2013, 07:51 PM #4 Newbie   Joined: Apr 2013 Posts: 2 Thanks: 0 Re: solving for x I don't understand what you did to get 48-12(x+6)=20-x
 April 28th, 2013, 10:32 PM #5 Senior Member   Joined: Mar 2012 From: Belgium Posts: 654 Thanks: 11 Re: solving for x He multiplied both sides by $4(x+6).$

 Tags solving

 Thread Tools Display Modes Linear Mode

 Similar Threads Thread Thread Starter Forum Replies Last Post yogazen2013 Algebra 6 October 5th, 2013 04:02 AM henrymerrild Complex Analysis 3 September 25th, 2013 09:08 AM basha-t Algebra 4 June 26th, 2010 03:24 PM bignick79 Algebra 6 June 24th, 2010 01:55 PM FETRAM Number Theory 1 January 3rd, 2010 01:16 PM

 Contact - Home - Forums - Cryptocurrency Forum - Top