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# What is the value of x?

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Math Expert
Joined: 02 Sep 2009
Posts: 55271
What is the value of x?  [#permalink]

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16 Jul 2017, 22:54
00:00

Difficulty:

65% (hard)

Question Stats:

70% (01:43) correct 30% (01:27) wrong based on 44 sessions

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What is the value of x?

(1) $$\sqrt{2x + 2} −\sqrt{x − 3} = 2$$

(2) x > 0

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Joined: 21 Feb 2017
Posts: 72
Re: What is the value of x?  [#permalink]

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17 Jul 2017, 00:24
Bunuel wrote:
What is the value of x?

(1) $$\sqrt{2x + 2} −\sqrt{x − 3} = 2$$

(2) x > 0

A.

From statement 1:

2x+2=square of (2+sqrt(x-3))
Solve for x, we will get x=7.

Statement 2 is of no use.

Sent from my XT1663 using GMAT Club Forum mobile app
Re: What is the value of x?   [#permalink] 17 Jul 2017, 00:24
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