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# If 1/(1 + 1/x) = 2, then x =

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Math Expert
Joined: 02 Sep 2009
Posts: 58142
If 1/(1 + 1/x) = 2, then x =  [#permalink]

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22 Aug 2019, 22:18
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Difficulty:

15% (low)

Question Stats:

78% (00:38) correct 22% (00:42) wrong based on 43 sessions

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If $$\frac{1}{1 + \frac{1}{x}} = 2$$, then x =

A. -2
B. -1
C. 0
D. 1
E. 2

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Joined: 17 Jan 2019
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Re: If 1/(1 + 1/x) = 2, then x =  [#permalink]

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22 Aug 2019, 23:28
$$1=2+\frac{2}{x}$$
$$1-2=\frac{2}{x}$$
$$-1x=2$$
$$x=-2$$
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Re: If 1/(1 + 1/x) = 2, then x =  [#permalink]

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22 Aug 2019, 23:49
1/ 1/2 =2
So, 1 + 1/x = 1/2
X=-2
Option A

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Re: If 1/(1 + 1/x) = 2, then x =   [#permalink] 22 Aug 2019, 23:49
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