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# Does 2x + 8 = 12 ? (1) 2x + 10 = 14 (2) 3x + 8 = 14

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Math Expert
Joined: 02 Sep 2009
Posts: 47941
Does 2x + 8 = 12 ? (1) 2x + 10 = 14 (2) 3x + 8 = 14  [#permalink]

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02 Aug 2018, 04:52
00:00

Difficulty:

5% (low)

Question Stats:

98% (00:27) correct 3% (00:20) wrong based on 40 sessions

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Does 2x + 8 = 12 ?

(1) 2x + 10 = 14
(2) 3x + 8 = 14

NEW question from GMAT® Quantitative Review 2019

(DS05149)

_________________
Senior Manager
Joined: 31 Oct 2013
Posts: 477
Concentration: Accounting, Finance
GPA: 3.68
WE: Analyst (Accounting)
Re: Does 2x + 8 = 12 ? (1) 2x + 10 = 14 (2) 3x + 8 = 14  [#permalink]

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02 Aug 2018, 05:10
Bunuel wrote:
Does 2x + 8 = 12 ?

(1) 2x + 10 = 14
(2) 3x + 8 = 14

NEW question from GMAT® Quantitative Review 2019

(DS05149)

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 .

Director
Joined: 30 Jan 2015
Posts: 525
Location: India
Concentration: Operations, Marketing
GPA: 3.5
Re: Does 2x + 8 = 12 ? (1) 2x + 10 = 14 (2) 3x + 8 = 14  [#permalink]

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02 Aug 2018, 05:14
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.
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Manager
Joined: 18 Jun 2018
Posts: 97
Re: Does 2x + 8 = 12 ? (1) 2x + 10 = 14 (2) 3x + 8 = 14  [#permalink]

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02 Aug 2018, 05:30
OA: D

Does $$2x + 8 = 12$$? reduces to Is $$x=2?$$

(1) $$2x + 10 = 14$$
$$2x=14-10$$
$$x = \frac{4}{2}=2$$
Is $$x=2?$$ : yes
Statement $$1$$ alone is sufficient.

(2)$$3x + 8 = 14$$
$$3x = 14 -8$$
$$x =\frac{6}{3} =2$$
Is $$x=2?$$ : yes
Statement $$2$$ alone is sufficient.
Manager
Joined: 25 Apr 2018
Posts: 95
Re: Does 2x + 8 = 12 ? (1) 2x + 10 = 14 (2) 3x + 8 = 14  [#permalink]

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02 Aug 2018, 09:01
Bunuel wrote:
Does 2x + 8 = 12 ?

(1) 2x + 10 = 14
(2) 3x + 8 = 14

NEW question from GMAT® Quantitative Review 2019

(DS05149)

Question is basically asking what is x?

From both the option we can derive the value of x.

Hence, option D is the answer.
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Re: Does 2x + 8 = 12 ? (1) 2x + 10 = 14 (2) 3x + 8 = 14 &nbs [#permalink] 02 Aug 2018, 09:01
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