It is currently 24 Jun 2017, 17:26

### 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

# If 2^x - 2^x-2 = 3(2^13), what is the value of x

 post reply Question banks Downloads My Bookmarks Reviews Important topics
Author Message
Manager
Joined: 05 May 2005
Posts: 78
If 2^x - 2^x-2 = 3(2^13), what is the value of x [#permalink]

### Show Tags

09 Feb 2007, 20:58
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

If 2^x - 2^x-2 = 3(2^13), what is the value of x?
Senior Manager
Joined: 04 Jan 2006
Posts: 279
Re: Exponent problem [#permalink]

### Show Tags

09 Feb 2007, 21:20
above720 wrote:
If 2^x - 2^x-2 = 3(2^13), what is the value of x?

(2^x) - (2^x)/(2^2) = 3(2^13)

(2^x)*(1 - 1/4) = 3(2^13)

(2^x) * (3/4) = 3*(2^13)

2^x = 4 * 2^13 = 2^15

x = 15
Re: Exponent problem   [#permalink] 09 Feb 2007, 21:20
Display posts from previous: Sort by

# If 2^x - 2^x-2 = 3(2^13), what is the value of 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®.