It is currently 19 Nov 2017, 00:20

### 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
Your Progress

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

# Concept: Absolute value "invalids"

 post reply Question banks Downloads My Bookmarks Reviews Important topics
Author Message
CEO
Joined: 21 Jan 2007
Posts: 2734

Kudos [?]: 1076 [0], given: 4

Location: New York City
Concept: Absolute value "invalids" [#permalink]

### Show Tags

19 Nov 2007, 09:18
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.

|x-4| = x

looking at the positive scenario only

x-4=x
x=x+4
0=4 ???

Kudos [?]: 1076 [0], given: 4

VP
Joined: 08 Jun 2005
Posts: 1143

Kudos [?]: 254 [0], given: 0

Re: Concept: Absolute value "invalids" [#permalink]

### Show Tags

19 Nov 2007, 10:29
bmwhype2 wrote:
|x-4| = x

looking at the positive scenario only

x-4=x
x=x+4
0=4 ???

Only one scenario here x=2

Kudos [?]: 254 [0], given: 0

SVP
Joined: 01 May 2006
Posts: 1794

Kudos [?]: 169 [0], given: 0

Re: Concept: Absolute value "invalids" [#permalink]

### Show Tags

19 Nov 2007, 10:54
bmwhype2 wrote:
|x-4| = x

looking at the positive scenario only

x-4=x
x=x+4
0=4 ???

That means there is no solution for x >= 4 (as |x-4| = x-4 when x>=4).

Kudos [?]: 169 [0], given: 0

Re: Concept: Absolute value "invalids"   [#permalink] 19 Nov 2007, 10:54
Display posts from previous: Sort by

# Concept: Absolute value "invalids"

 post reply Question banks Downloads My Bookmarks Reviews Important topics

 Powered by phpBB © phpBB Group | Emoji artwork provided by EmojiOne 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®.