GRE Prep Club Daily Prep
Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.
Customized
for You
Track
Your Progress
Practice
Pays
Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.
If 4x − 3y = 13 and 5x + 2y = −1, then x =
[#permalink]
20 Nov 2017, 11:13
20 Nov 2017, 11:13
00:00
Question Stats:
95% (00:58) correct
5% (01:37) wrong based on 20 sessions
Hide Show timer Statistics
If 4x − 3y = 13 and 5x + 2y = −1, then x =
A. −3
B. −1
C. 1
D. 3
E. 5
Kudos for correct solution.
A. −3
B. −1
C. 1
D. 3
E. 5
Kudos for correct solution.
Re: If 4x − 3y = 13 and 5x + 2y = −1, then x =
[#permalink]
01 Dec 2017, 21:57
01 Dec 2017, 21:57
1
Bunuel wrote:
If 4x − 3y = 13 and 5x + 2y = −1, then x =
A. −3
B. −1
C. 1
D. 3
E. 5
Kudos for correct solution.
A. −3
B. −1
C. 1
D. 3
E. 5
Kudos for correct solution.
Here it can be written as
4x − 3y = 13 or 8x - 6y = 26 (multiplying by 2)
5x + 2y = −1 or 5x + 6 y = -3 (multiplying by 3)
Now adding the two equation we get
23x = 23
or x = 1
If 4x − 3y = 13 and 5x + 2y = − 1, then x =
[#permalink]
06 Nov 2018, 05:46
06 Nov 2018, 05:46
Expert Reply
If 4x − 3y = 13 and 5x + 2y = − 1, then x =
A. − 3
B. − 1
C. 1
D. 3
E. 5
A. − 3
B. − 1
C. 1
D. 3
E. 5
