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

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

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29 Aug 2003, 08:33
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Let's master these!!!

4^99 + 4^99 = 4^X
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29 Aug 2003, 10:30
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
29 Aug 2003, 10:30
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