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02 Oct 2018, 04:23
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A
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
5%
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Question Stats:
98% (00:37) correct
2%
(00:35)
wrong
based on 195
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02 Oct 2018, 14:03
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taniad
If 3x – t = t + 5x, what is the value of x ?
(1) t = 4
(2) x < 0
(1) t = 4
(2) x < 0
Statement 1: t = 4. we can plug this value into the equation and can find out the value of x. Sufficient.
Statement : x<0. we just know that x is negative. No information regarding t. NOT sufficient.
The best answer is A.
27 Jul 2019, 07:19
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taniad
If 3x – t = t + 5x, what is the value of x ?
(1) t = 4
(2) x < 0
Given: 3x – t = t + 5x (1) t = 4
(2) x < 0
Target question: What is the value of x ?
Statement 1: t = 4
Take: 3x – t = t + 5x
Replace t with 4 to get: 3x – 4 = 4 + 5x
When we solve this equation, we get x = -4
Since we can answer the target question with certainty, statement 1 is SUFFICIENT
Statement 2: x < 0
If x < 0, then x can have infinitely-many different values
Since we cannot answer the target question with certainty, statement 2 is NOT SUFFICIENT
Answer: A
Cheers,
Brent
