GMAT Question of the Day - Daily to your Mailbox; hard ones only

 It is currently 19 Jun 2018, 05:18

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

2^x + 2^(x+3)=6^2*2^18. What is the value of x?

Author Message
TAGS:

Hide Tags

Math Expert
Joined: 02 Sep 2009
Posts: 46162
2^x + 2^(x+3)=6^2*2^18. What is the value of x? [#permalink]

Show Tags

01 Mar 2017, 01:58
00:00

Difficulty:

5% (low)

Question Stats:

91% (01:11) correct 9% (02:19) wrong based on 52 sessions

HideShow timer Statistics

$$2^x + 2^{(x+3)}=6^2*2^{18}$$. What is the value of x?

A. 18
B. 20
C. 21
D. 22
E. 24

_________________
Senior Manager
Joined: 19 Apr 2016
Posts: 275
Location: India
GMAT 1: 570 Q48 V22
GMAT 2: 640 Q49 V28
GPA: 3.5
WE: Web Development (Computer Software)
2^x + 2^(x+3)=6^2*2^18. What is the value of x? [#permalink]

Show Tags

01 Mar 2017, 02:27
Bunuel wrote:
$$2^x + 2^{(x+3)}=6^2*2^{18}$$. What is the value of x?

A. 18
B. 20
C. 21
D. 22
E. 24

$$2^x + 2^{(x+3)} = 6^2*2^{18}$$
$$2^x*(1 + 2^3) = (3*2)^2*2^{18}$$
$$2^x*(9) = (9)^2*2^{20}$$
$$2^x = 2^{20}$$

x=20

Hence option B is correct
Hit Kudos if you liked it
2^x + 2^(x+3)=6^2*2^18. What is the value of x?   [#permalink] 01 Mar 2017, 02:27
Display posts from previous: Sort by