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What is the value of z ? 1) y=2-3z 2) 6z+2y=4

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What is the value of z ? 1) y=2-3z 2) 6z+2y=4 [#permalink] New post 05 Aug 2003, 04:05
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A
B
C
D
E

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What is the value of z ?

1) y=2-3z
2) 6z+2y=4
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KL

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Re: DS practice #1 [#permalink] New post 05 Aug 2003, 04:15
Konstantin Lynov wrote:
What is the value of z ?

1) y=2-3z
2) 6z+2y=4


Answer is C

Solving the two equations we get Z=2/3 and y=0
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Oups [#permalink] New post 05 Aug 2003, 04:18
Here we go, one has eaten the bate
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Any more tries [#permalink] New post 05 Aug 2003, 04:22
Other ideas, please. Careful with DS practice question I have posted!
They are from Caplan's GMAT 800 book and, to my opinion, one has to be rather smart to have a bunch of questions alike done in the allotted time...

Have fun
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Re: Oups [#permalink] New post 05 Aug 2003, 04:39
Konstantin Lynov wrote:
Here we go, one has eaten the bate


Agree Lynov....Answer is E... I was too quick to bite... the bait looked delicious ...!!!

:)
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 [#permalink] New post 05 Aug 2003, 06:46
good one. Isn't it called inconsistant equation or something?
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 [#permalink] New post 05 Aug 2003, 21:12
I think its called infinite solutions!
  [#permalink] 05 Aug 2003, 21:12
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What is the value of z ? 1) y=2-3z 2) 6z+2y=4

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