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GHong14: Master | Next Rank: 500 Posts; Posts: 155; Joined: Sat Oct 16, 2010 6:32 pm; Thanked: 3 times

by GHong14 » Mon Jan 10, 2011 2:42 pm

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Source: Beat The GMAT — Problem Solving | Mon Jan 10, 2011 2:42 pm

Night reader: Legendary Member; Posts: 1337; Joined: Sat Dec 27, 2008 6:29 pmFollowed by: 10 members; Thanked: 127 times

by Night reader » Mon Jan 10, 2011 2:51 pm

GHong14 wrote:

2^x(1-1/4)=3*2^13 <=> 2^x*3/4=3*2^13 <=> 2^(x-13)=2^2 <=> x-13=2 <=> x=15

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Anurag@Gurome: GMAT Instructor; Posts: 3835; Joined: Fri Apr 02, 2010 10:00 pmFollowed by: 523 members; Location: Milpitas, CA; Thanked: 1854 times; GMAT Score:770

by Anurag@Gurome » Mon Jan 10, 2011 9:43 pm

Refer to this post : https://www.beatthegmat.com/if-2-x-2-x-2 ... tml#329117

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