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x=-7

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x=-7 [#permalink] New post 12 Aug 2019, 02:01
Expert's post
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Question Stats:

84% (00:07) correct 16% (00:23) wrong based on 25 sessions
\(x=-7\)

Quantity A
Quantity B
\(7-x\)
\(x-7\)


A)The quantity in Column A is greater.
B)The quantity in Column B is greater.
C)The two quantities are equal.
D)The relationship cannot be determined from the information given.
[Reveal] Spoiler: OA

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Re: x=-7 [#permalink] New post 12 Aug 2019, 09:24
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Expert's post
Carcass wrote:
\(x=-7\)

Quantity A
Quantity B
\(7-x\)
\(x-7\)


A)The quantity in Column A is greater.
B)The quantity in Column B is greater.
C)The two quantities are equal.
D)The relationship cannot be determined from the information given.


Plug x = -7 into both quantities to get:
Quantity A: 7 - x = 7 - (-7) = 14
Quantity B: x - 7 = (-7) - 7 = -14

-14 < 14

Answer: A

Cheers,
Brent
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Re: x=-7   [#permalink] 12 Aug 2019, 09:24
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