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If 5^x 5^(x - 3 )= (124)(5^y), what is y in terms of x? A.

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If 5^x 5^(x - 3 )= (124)(5^y), what is y in terms of x? A. [#permalink] New post 01 Jun 2008, 12:31
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If 5^x – 5^(x - 3 )= (124)(5^y), what is y in terms of x?
A. x
B. x - 6
C. x - 3
D. 2x + 3
E. 2x + 6

Last edited by goalsnr on 01 Jun 2008, 17:36, edited 1 time in total.
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Re: PS-exp [#permalink] New post 01 Jun 2008, 15:07
goalsnr wrote:
If 5^x – 5^(x - 3 )= (124)(5y), what is y in terms of x?
A. x
B. x - 6
C. x - 3
D. 2x + 3
E. 2x + 6
Answer



In your question is it 5^y or (5*y) as written by you. The answers would be (x-3) and (5)^(x-4)) respectively.

Please type the correct questions, saves time for the people trying to solve for you.
Re: PS-exp   [#permalink] 01 Jun 2008, 15:07
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5^x - 5^(x-3) = 124(5^y), what is y in terms of x? A x B x-6 nervousgmat 4 23 Jul 2007, 15:20
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If 5^x 5^(x - 3) = (124)(5^y), what is y in terms of x? M8 3 29 Apr 2006, 21:01
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If 5^x 5^(x - 3 )= (124)(5^y), what is y in terms of x? A.

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