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# If 5x + 3y – 4 = 3x + y, what is x ? (1) y^2 = 1 (2) x + y = 2

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Math Expert
Joined: 02 Sep 2009
Posts: 46305
If 5x + 3y – 4 = 3x + y, what is x ? (1) y^2 = 1 (2) x + y = 2 [#permalink]

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12 Sep 2017, 05:07
00:00

Difficulty:

45% (medium)

Question Stats:

71% (00:43) correct 29% (00:26) wrong based on 21 sessions

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If 5x + 3y – 4 = 3x + y, what is x ?

(1) y^2 = 1
(2) x + y = 2

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Manager
Joined: 02 Nov 2015
Posts: 171
GMAT 1: 640 Q49 V29
Re: If 5x + 3y – 4 = 3x + y, what is x ? (1) y^2 = 1 (2) x + y = 2 [#permalink]

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12 Sep 2017, 07:13
It's an E.

Statement 1.. It gives two values of Y and hence not sufficient.
Statement 2 is the same as the original equation.. gives nothing extra information about x or Y.

On combining both statements still we have no definite answer.

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Re: If 5x + 3y – 4 = 3x + y, what is x ? (1) y^2 = 1 (2) x + y = 2   [#permalink] 12 Sep 2017, 07:13
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