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# Is ax=3-bx?

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Intern
Joined: 21 Sep 2016
Posts: 14

Kudos [?]: 12 [0], given: 81

Location: Zambia
Schools: Duke '20 (A)
GPA: 3

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11 Oct 2016, 23:27
00:00

Difficulty:

5% (low)

Question Stats:

94% (00:35) correct 6% (00:25) wrong based on 81 sessions

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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 11 Oct 2016, 23:34, edited 1 time in total.
RENAMED THE TOPIC.

Kudos [?]: 12 [0], given: 81

Math Expert
Joined: 02 Sep 2009
Posts: 43335

Kudos [?]: 139533 [1], given: 12794

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11 Oct 2016, 23:36
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Expert's post
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.

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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Kudos [?]: 139533 [1], given: 12794

Director
Joined: 04 Dec 2015
Posts: 696

Kudos [?]: 356 [0], given: 261

Location: India
Concentration: Technology, Strategy
Schools: ISB '19, IIMA , IIMB, XLRI
WE: Information Technology (Consulting)

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29 Aug 2017, 02:57
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.

Kudos [?]: 356 [0], given: 261

Re: Is ax=3-bx?   [#permalink] 29 Aug 2017, 02:57
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