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# If x – 4y = 1 and y = x/2 + 1, then what is the value of x ?

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Math Expert
Joined: 02 Sep 2009
Posts: 58454
If x – 4y = 1 and y = x/2 + 1, then what is the value of x ?  [#permalink]

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07 Apr 2019, 21:49
00:00

Difficulty:

45% (medium)

Question Stats:

61% (01:22) correct 39% (01:44) wrong based on 31 sessions

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If $$x – 4y = 1$$ and $$y = \frac{x}{2} + 1$$, then what is the value of x ?

(A) –5

(B) –2

(C) 2

(D) 5

(E) 8

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Joined: 18 Aug 2017
Posts: 5020
Location: India
Concentration: Sustainability, Marketing
GPA: 4
WE: Marketing (Energy and Utilities)
Re: If x – 4y = 1 and y = x/2 + 1, then what is the value of x ?  [#permalink]

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08 Apr 2019, 00:16
Bunuel wrote:
If $$x – 4y = 1$$ and $$y = \frac{x}{2} + 1$$, then what is the value of x ?

(A) –5

(B) –2

(C) 2

(D) 5

(E) 8

solve $$x – 4y = 1$$ and $$y = \frac{x}{2} + 1$$
we get y=-3/2
so x= -5
IMO A
Re: If x – 4y = 1 and y = x/2 + 1, then what is the value of x ?   [#permalink] 08 Apr 2019, 00:16
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# If x – 4y = 1 and y = x/2 + 1, then what is the value of x ?

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