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02 Aug 2018, 04:52
Kudos
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D
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Difficulty:
5%
(low)
Question Stats:
92% (00:33) correct
8%
(00:39)
wrong
based on 1345
sessions
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Does 2x + 8 = 12 ?
(1) 2x + 10 = 14
(2) 3x + 8 = 14
(DS05149)
(1) 2x + 10 = 14
(2) 3x + 8 = 14
NEW question from GMAT® Quantitative Review 2019
(DS05149)
Every tricky question should trigger a follow up quiz.
Build that habit with
GMAT Club Forum Quiz →.
Pure algebraic questions like this one are no longer part of the GMAT Data Sufficiency syllabus.
For relevant Data Sufficiency questions, please check the Data Sufficiency forum:
Data Sufficiency Forum
Data Sufficiency Forum
02 Aug 2018, 05:10
Kudos
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Bunuel
Given
2x + 8 = 12
2x = 4
x = 2. Ultimate question.
Statement 1:
2x + 10 = 14
2x = 4
x = 2.
Sufficient
Statement 2:
3x + 8 = 14
x = 2.
Sufficient .
The best answer is D.
02 Aug 2018, 05:14
Kudos
Bookmarks
2x + 8 = 12
2x = 12 - 8
2x = 4
x = 2
Question becomes is x = 2 ?
(1) 2x + 10 = 14
2x = 14 - 10
2x = 4
x = 2
Sufficient
(2) 3x + 8 = 14
3x = 14 - 8
3x = 6
x = 2
Sufficient
Hence, D.
2x = 12 - 8
2x = 4
x = 2
Question becomes is x = 2 ?
(1) 2x + 10 = 14
2x = 14 - 10
2x = 4
x = 2
Sufficient
(2) 3x + 8 = 14
3x = 14 - 8
3x = 6
x = 2
Sufficient
Hence, D.
