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if 2^x - 2^x-2 = 3(2^13), what is thevalue of x? a. 9 b

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if 2^x - 2^x-2 = 3(2^13), what is thevalue of x? a. 9 b [#permalink] New post 22 Aug 2006, 11:27
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if 2^x - 2^x-2 = 3(2^13), what is thevalue of x?

a. 9
b 11
c13
d 15
e 17
Manager
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Joined: 25 Jul 2006
Posts: 100
Followers: 1

Kudos [?]: 2 [0], given: 0

 [#permalink] New post 22 Aug 2006, 11:34
2^x (1-1/4) = 3* 2^13
2^x *3/4 = 3* 2^13
x= 13+2 =15
  [#permalink] 22 Aug 2006, 11:34
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If 2^x- 2^(x-2) = 3*2^13, what is x? 9 11 13 15 17 r019h 2 04 Oct 2007, 19:28
If 2^(x) - 2^(x-2) = 3*2^13, what is x? a. 9 b. 11 c. 13 d. nfa1rhp 2 29 Jul 2007, 10:30
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if 2^x - 2^x-2 = 3(2^13), what is thevalue of x? a. 9 b

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