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SVP
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Joined: 03 Feb 2003
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[X-1]—[X-2]=0 [#permalink] New post 21 May 2003, 00:44
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A
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D
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Difficulty:

(N/A)

Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 1 sessions
Solve the following equation: [X-1]—[X-2]=0
SVP
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 [#permalink] New post 21 May 2003, 05:03
:yes
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 [#permalink] New post 22 Dec 2003, 17:50
How come x = 3/2

[X-1]тАФ[X-2]=0
X-1-X-2=0 isn't it?

Last edited by pitts20042006 on 22 Dec 2003, 19:36, edited 1 time in total.
Senior Manager
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 [#permalink] New post 22 Dec 2003, 17:57
ok ... looking at it again .. is [] supposed to stand for modulus?
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 [#permalink] New post 23 Dec 2003, 03:12
[X-1]-[X-2]=0

[X-1]=[X-2]

[X-1]^2=[X-2]^2

X^2-2X+1=x^2-4X+4

X=3/2
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Re: PS: EQUATION [#permalink] New post 23 Dec 2003, 07:18
stolyar wrote:
Solve the following equation: [X-1]тАФ[X-2]=0


do you mean

|X-1|-|X-2| = 0

or

(X-1)-(X-2) = 0

or maybe you don't mean any of those. Can someone please explain this.
Re: PS: EQUATION   [#permalink] 23 Dec 2003, 07:18
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