Check GMAT Club Decision Tracker for the Latest School Decision Releases https://gmatclub.com/AppTrack

 It is currently 28 May 2017, 04:27

### GMAT Club Daily Prep

#### Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.

Customized
for You

we will pick new questions that match your level based on your Timer History

Track

every week, we’ll send you an estimated GMAT score based on your performance

Practice
Pays

we will pick new questions that match your level based on your Timer History

# Events & Promotions

###### Events & Promotions in June
Open Detailed Calendar

# What is X

 post reply Question banks Downloads My Bookmarks Reviews Important topics
Author Message
Manager
Joined: 29 May 2008
Posts: 113
Followers: 1

Kudos [?]: 102 [0], given: 0

What is X [#permalink]

### Show Tags

17 Sep 2009, 10:35
00:00

Difficulty:

(N/A)

Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 0 sessions

### HideShow timer Statistics

This topic is locked. If you want to discuss this question please re-post it in the respective forum.

(2/(x-2)) - (4/x) =1/2x
Senior Manager
Joined: 23 Jun 2009
Posts: 361
Location: Turkey
Schools: UPenn, UMich, HKS, UCB, Chicago
Followers: 5

Kudos [?]: 132 [0], given: 80

Re: What is X [#permalink]

### Show Tags

17 Sep 2009, 12:27
TheRob wrote:
(2/(x-2)) - (4/x) =1/2x

$${2/(x-2)} - 4/x = 1/2x$$
$$2.2x.-4.2.(x-2)=x-2$$
$$4x-8x+16=x-2$$
$$-4x+16=x-2$$
$$5x=18$$
$$x=3,6$$
Manager
Joined: 27 Oct 2008
Posts: 185
Followers: 2

Kudos [?]: 150 [0], given: 3

Re: What is X [#permalink]

### Show Tags

19 Sep 2009, 06:42
(2/(x-2)) - (4/x) =1/2x

Soln: taking 4/x to other side and finding common denominator as 2x
=> (2/(x-2)) = (1+8)/2x
=> 4x = 9x - 18
=> 5x = 18
=> x = 18/5
Re: What is X   [#permalink] 19 Sep 2009, 06:42
Display posts from previous: Sort by

# What is X

 post reply Question banks Downloads My Bookmarks Reviews Important topics

 Powered by phpBB © phpBB Group and phpBB SEO Kindly note that the GMAT® test is a registered trademark of the Graduate Management Admission Council®, and this site has neither been reviewed nor endorsed by GMAC®.