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# If m ≠ −1 and mn − 3 = 3 − n, then n =

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Math Expert
Joined: 02 Sep 2009
Posts: 58402
If m ≠ −1 and mn − 3 = 3 − n, then n =  [#permalink]

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14 Jan 2019, 02:30
00:00

Difficulty:

15% (low)

Question Stats:

92% (01:11) correct 8% (02:22) wrong based on 32 sessions

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If m ≠ −1 and mn − 3 = 3 − n, then n =

A. 6

B. 6/(m + 1)

C. 6/(m - 1)

D. 6/(m + n)

E. 6/(m - n)

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Joined: 18 Aug 2017
Posts: 5014
Location: India
Concentration: Sustainability, Marketing
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Re: If m ≠ −1 and mn − 3 = 3 − n, then n =  [#permalink]

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14 Jan 2019, 03:16
Bunuel wrote:
If m ≠ −1 and mn − 3 = 3 − n, then n =

A. 6

B. 6/(m + 1)

C. 6/(m - 1)

D. 6/(m + n)

E. 6/(m - n)

mn-3=3-n

mn+n=6
n=6/m+1
IMO B
Re: If m ≠ −1 and mn − 3 = 3 − n, then n =   [#permalink] 14 Jan 2019, 03:16
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