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# Let's master these!!! 4^99 + 4^99 = 4^X

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Manager
Joined: 10 Jun 2003
Posts: 209

Kudos [?]: 7 [0], given: 0

Location: Maryland
Let's master these!!! 4^99 + 4^99 = 4^X [#permalink]

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29 Aug 2003, 09:33
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Let's master these!!!

4^99 + 4^99 = 4^X
_________________

Sept 3rd

Kudos [?]: 7 [0], given: 0

Intern
Joined: 17 Aug 2003
Posts: 38

Kudos [?]: 1 [0], given: 0

Location: USA

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29 Aug 2003, 11:30
Took me longer, However i got he same answer as Jav.

4^99 + 4^99 = 4^X
2(4^99)= 4^X
2(2^198)= 2^2X
2^198= 2^2X-1

Therefore 2X-1=198

X=99.5

Kudos [?]: 1 [0], given: 0

29 Aug 2003, 11:30
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# Let's master these!!! 4^99 + 4^99 = 4^X

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