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If L = (a - b)-c and R =a - (b - c), then L - R =
[#permalink]
04 Aug 2018, 10:43
04 Aug 2018, 10:43
Expert Reply
00:00
Question Stats:
82% (00:35) correct
17% (00:46) wrong based on 35 sessions
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If \(L = (a - b)- c\) and \(R = a - (b - c)\), then \(L - R =\)
(A) 2b
(B) 2c
(C) 0
(D) -2b
(E) -2c
(A) 2b
(B) 2c
(C) 0
(D) -2b
(E) -2c
Re: If L = (a - b)-c and R =a - (b - c), then L - R =
[#permalink]
04 Aug 2018, 17:11
04 Aug 2018, 17:11
1
Expert Reply
Carcass wrote:
If \(L = (a - b)- c\) and \(R = a - (b - c)\), then \(L - R =\)
(A) 2b
(B) 2c
(C) 0
(D) -2b
(E) -2c
(A) 2b
(B) 2c
(C) 0
(D) -2b
(E) -2c
Given: L = (a - b)- c
Simplify to get: L = a - b - c
Given: R = a - (b - c)
R = a - b + c
So, L - R = (a - b - c) - (a - b + c)
= a - b - c - a + b - c
= -2c
Answer: E
Cheers,
Brent
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