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If x, y and z are nonzero number

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If x, y and z are nonzero number [#permalink]

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New post 13 Jan 2013, 06:21
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Difficulty:

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Question Stats:

33% (02:27) correct 67% (02:08) wrong based on 87 sessions

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If x, y and z are nonzero numbers and x – 2y = –z, which of the following is equal to 2?

A (x-y)/z

B (x+y)/z

C (x-z)/y

D (z-x)/y

E (z+y)/-x
[Reveal] Spoiler: OA
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Re: If x, y and z are nonzero number [#permalink]

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New post 13 Jan 2013, 06:30
Ok. I plugged in x=5 y=3 so 5-2(3)=5-6=-1 therefor z=1

a. (5-3)/1=2

b. (5+3)/1=8

i get A. Can you please explain?
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Re: If x, y and z are nonzero number [#permalink]

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Re: If x, y and z are nonzero number [#permalink]

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New post 15 Jan 2013, 09:36
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after re-arranging the variables, 2 should be = (x+z)/(y)
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Re: If x, y and z are nonzero number [#permalink]

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New post 08 May 2016, 17:31
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Re: If x, y and z are nonzero number [#permalink]

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New post 14 May 2016, 03:03
What is the answer? When I solve the equation all I get is x+z/y.
Re: If x, y and z are nonzero number   [#permalink] 14 May 2016, 03:03
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If x, y and z are nonzero number

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