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Given 2x + y + z = 3 and 5x + 3y + z = 8, what is the value of x + y 
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09 Dec 2015, 08:41
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73% (01:55) correct 27% (02:34) wrong based on 206 sessions
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Given 2x + y + z = 3 and 5x + 3y + z = 8, what is the value of x + y  z ? A. 2 B. 1 C. 0 D. 1 E. 2 Source: GMATQuantum
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Re: Given 2x + y + z = 3 and 5x + 3y + z = 8, what is the value of x + y 
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09 Dec 2015, 08:54
Bunuel wrote: Given 2x + y + z = 3 and 5x + 3y + z = 8, what is the value of x + y  z ?
A. 2 B. 1 C. 0 D. 1 E. 2
Given: 2x + y + z = 3 and 5x + 3y + z = 8Take 2x + y + z = 3 and multiply both sides by 2 to get the EQUIVALENT fraction: 4x + 2y + 2z = 6We now have: 5x + 3y + z = 84x + 2y + 2z = 6Subtract the bottom equation from the top equation to get: x + y  z = 2 Answer: E Cheers, Brent
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Re: Given 2x + y + z = 3 and 5x + 3y + z = 8, what is the value of x + y 
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09 Dec 2015, 10:20
Bunuel wrote: Given 2x + y + z = 3 and 5x + 3y + z = 8, what is the value of x + y  z ?
A. 2 B. 1 C. 0 D. 1 E. 2
Source: GMATQuantum A quick one! Subtract Eq 1 from Eq2 ( both are given) I got 3x+2y=5 wheni did that. Again, from this equation, subtract eq1 ( 2x+y+z=3) The answer is x+yz=2 Hence E



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Given 2x + y + z = 3 and 5x + 3y + z = 8, what is the value of x + y 
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09 Dec 2015, 17:05
Given 2x + y + z = 3 and 5x + 3y + z = 8, what is the value of x + y  z ?
5x + 3y + z = 8 2(2x + y + z = 3)
which equals x + y  z = 2
E. 2



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Re: Given 2x + y + z = 3 and 5x + 3y + z = 8, what is the value of x + y 
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09 Dec 2015, 18:31
2x + y + z = 3 5x +3y + z = 8
Multiply the first equation by 2 and subtract it from the 2nd equation x+yz = 8  6 = 2



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Given 2x + y + z = 3 and 5x + 3y + z = 8, what is the value of x + y 
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16 Jul 2017, 14:22
Given 2x + y + z = 3 and 5x + 3y + z = 8, what is the value of x + y  z ? \(2x + y + z = 3\) ====> 1 \(5x + 3y + z = 8\) ====> 2 Multiply Eq. 1 by 2 \(4x + 2y + 2z = 6\) ===> 3 Substract Eq. 3 from 2 \(5x + 3y + z = 8\) \((4x + 2y + 2z = 6)\) We Get: \(x + y  z = 2\) Hence, Answer is EDid you like the answer? 1 Kudos Please
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Re: Given 2x + y + z = 3 and 5x + 3y + z = 8, what is the value of x + y 
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17 Jul 2017, 11:20
Bunuel wrote: Given 2x + y + z = 3 and 5x + 3y + z = 8, what is the value of x + y  z ?
A. 2 B. 1 C. 0 D. 1 E. 2
Source: GMATQuantum ANSWER: ==== 2x + y + z = 3 and 5x + 3y + z = 8 Multiply both sides of 2x + y + z = 3 by 2 to get 4x + 2y + 2z = 6 5x + 3y + z = 8 4x + 2y + 2z = 6 Subtract them to get x + y  z = 2 Hence the answer is E
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Re: Given 2x + y + z = 3 and 5x + 3y + z = 8, what is the value of x + y 
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20 Jul 2017, 16:37
Bunuel wrote: Given 2x + y + z = 3 and 5x + 3y + z = 8, what is the value of x + y  z ?
A. 2 B. 1 C. 0 D. 1 E. 2 We can multiply the first equation by 2, and we have: 4x  2y  2z = 6 Adding the above equation with the equation 5x + 3y + z = 8, we have: x + y  z = 2 Answer: E
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Re: Given 2x + y + z = 3 and 5x + 3y + z = 8, what is the value of x + y 
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22 Aug 2019, 19:20
Bunuel wrote: Given 2x + y + z = 3 and 5x + 3y + z = 8, what is the value of x + y  z ?
A. 2 B. 1 C. 0 D. 1 E. 2
Source: GMATQuantum Given: 2x + y + z = 3 (1) 5x + 3y + z = 8 (2) Asked: what is the value of x + y  z? (2)2*(1) gives x+yz=82*3=2 IMO E Posted from my mobile device
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Re: Given 2x + y + z = 3 and 5x + 3y + z = 8, what is the value of x + y 
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