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14 Feb 2022, 04:15
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C
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
5%
(low)
Question Stats:
91% (01:23) correct
9%
(02:24)
wrong
based on 69
sessions
History
Date
Time
Result
Not Attempted Yet
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
kungfury42
Joined: 07 Jan 2022
Last visit: 31 May 2023
Posts: 580
Own Kudos:
Given Kudos: 724
Schools: NUS '25 (A)
GMAT 1: 740 Q51 V38
GPA: 4
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14 Feb 2022, 15:05
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4x - 3y = 13 ... (Multiply by 2)
8x - 6y = 26 ... (1)
5x + 2y = -1 ... (Multiply by 3)
15x + 6y = -3 ... (2)
Adding (1) and (2)
23x = 23
x = 1
Hence, option C is our answer.
Posted from my mobile device
8x - 6y = 26 ... (1)
5x + 2y = -1 ... (Multiply by 3)
15x + 6y = -3 ... (2)
Adding (1) and (2)
23x = 23
x = 1
Hence, option C is our answer.
Posted from my mobile device
