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Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.  If 3x + y = − 1 and y − 2x = 4, what is the value of x + 2y?

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Math Expert V
Joined: 02 Sep 2009
Posts: 58421
If 3x + y = − 1 and y − 2x = 4, what is the value of x + 2y?  [#permalink]

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Difficulty:   15% (low)

Question Stats: 100% (00:57) correct 0% (00:00) wrong based on 13 sessions

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If $$3x + y = − 1$$ and $$y − 2x = 4$$, what is the value of $$x + 2y$$?

A. − 5

B. − 3

C. 0

D. 3

E. 5

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Intern  B
Joined: 15 Dec 2018
Posts: 30
Location: India
GMAT 1: 650 Q45 V35 GMAT 2: 650 Q45 V45 GPA: 3.5
Re: If 3x + y = − 1 and y − 2x = 4, what is the value of x + 2y?  [#permalink]

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IMO D

Just add the 2 equations

Posted from my mobile device Re: If 3x + y = − 1 and y − 2x = 4, what is the value of x + 2y?   [#permalink] 07 Mar 2019, 00:17
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If 3x + y = − 1 and y − 2x = 4, what is the value of x + 2y?

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