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Is ax=3-bx?

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Joined: 21 Sep 2016
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Is ax=3-bx? [#permalink]

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New post 12 Oct 2016, 00:27
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Is ax=3-bx?

(1) x(a+b)=3

(2) a=b=1.5 and x=1
[Reveal] Spoiler: OA

Last edited by Bunuel on 12 Oct 2016, 00:34, edited 1 time in total.
RENAMED THE TOPIC.

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Re: Is ax=3-bx? [#permalink]

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New post 12 Oct 2016, 00:36
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Is ax=3-bx?

(1) x(a+b)=3 --> open the brackets: ax + bx = 3 --> re-arrange: ax = 3 - bx. Sufficient.

(2) a=b=1.5 and x=1 --> ax = 1.5*1 = 1.5 and 3 - bx = 3 - 1.5*1 = 1.5 --> LHS = RHS. Sufficient.

Answer: D.

P.S. Please read and follow: is-ax-3-bx-1-x-a-b-3-2-a-b-1-5-and-x-1-i-thought-61999.html Pay attention to rule #3. Thank you.
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Re: Is ax=3-bx? [#permalink]

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New post 29 Aug 2017, 03:57
grantcke wrote:
Is ax=3-bx?

(1) x(a+b)=3

(2) a=b=1.5 and x=1

Is \(ax=3-bx\)

Rearranging the question we get;

\(ax + bx =3\)

\(x(a + b) = 3\)

Therefore we need to find If \(x(a + b) = 3\)

(1) \(x(a+b)=3\)

Statement I is Sufficient.

(2) \(a=b=1.5\) and \(x=1\)

\(x(a + b) = 3\)

\(1(1.5 + 1.5) = 3\)

\(3 = 3\) ------- (LHS \(=\) RHS)

Statement II is Sufficient.

Answer (D)...

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Re: Is ax=3-bx?   [#permalink] 29 Aug 2017, 03:57
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