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What is the value of x?

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What is the value of x?  [#permalink]

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New post 16 Jul 2017, 22:54
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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
Spoiler: OA

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Re: What is the value of x?  [#permalink]

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New post 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.



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Re: What is the value of x?   [#permalink] 17 Jul 2017, 00:24
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