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If 8x + 5 = 21, then 3x + 4 =

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Joined: 02 Sep 2009
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If 8x + 5 = 21, then 3x + 4 =  [#permalink]

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New post 08 Aug 2019, 01:32
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A
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Difficulty:

  5% (low)

Question Stats:

100% (00:23) correct 0% (00:00) wrong based on 29 sessions

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Joined: 19 Apr 2017
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Concentration: General Management, Sustainability
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Re: If 8x + 5 = 21, then 3x + 4 =  [#permalink]

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New post 09 Aug 2019, 09:47
If 8x + 5 = 21, then 3x + 4 =

8x + 5 = 21
=> 8x=21-5
=> 8x=16
=> x=2

3x + 4 =3(2)+4=10 =C
GMAT Club Bot
Re: If 8x + 5 = 21, then 3x + 4 =   [#permalink] 09 Aug 2019, 09:47
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If 8x + 5 = 21, then 3x + 4 =

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