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#### Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here. # If a = 3b + 2, then, in terms of a, what is the value of b ?  Question banks Downloads My Bookmarks Reviews Important topics
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GRE Prep Club Legend  Joined: 07 Jun 2014
Posts: 4857
GRE 1: Q167 V156 WE: Business Development (Energy and Utilities)
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If a = 3b + 2, then, in terms of a, what is the value of b ? [#permalink]
Expert's post 00:00

Question Stats: 88% (00:19) correct 11% (00:43) wrong based on 26 sessions
If a = 3b + 2, then, in terms of a, what is the value of b ?
A. $$b =\frac{a}{3}-\frac{2}{3}$$
B. $$b =\frac{a}{3}+\frac{2}{3}$$
C. $$b =\frac{a}{3}-2$$
D. $$b =a-\frac{2}{3}$$
E. $$b =a+\frac{2}{3}$$

Drill 1
Question: 13
Page: 495
[Reveal] Spoiler: OA

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Sandy
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GRE Instructor Joined: 10 Apr 2015
Posts: 1530
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Kudos [?]: 1456 , given: 8

Re: If a = 3b + 2, then, in terms of a, what is the value of b ? [#permalink]
Expert's post
sandy wrote:
If a = 3b + 2, then, in terms of a, what is the value of b ?
A. $$b =\frac{a}{3}-\frac{2}{3}$$
B. $$b =\frac{a}{3}+\frac{2}{3}$$
C. $$b =\frac{a}{3}-2$$
D. $$b =a-\frac{2}{3}$$
E. $$b =a+\frac{2}{3}$$

Drill 1
Question: 13
Page: 495

GIVEN: a = 3b + 2
Subtract 2 from both sides to get: a - 2 = 3b
Divide both sides by 3 to get: (a - 2)/3 = b
Rewrite as a/3 - 2/3 =b

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Intern Joined: 07 Oct 2017
Posts: 30
Followers: 1

Kudos [?]: 5 , given: 0

Re: If a = 3b + 2, then, in terms of a, what is the value of b ? [#permalink]
Thank you.
GRE Prep Club Legend  Joined: 07 Jun 2014
Posts: 4857
GRE 1: Q167 V156 WE: Business Development (Energy and Utilities)
Followers: 105

Kudos [?]: 1776 , given: 397

Re: If a = 3b + 2, then, in terms of a, what is the value of b ? [#permalink]
Expert's post
Explanation

The problem has variables in the answer choices so Plug In.

Because the problem says, “in terms of a,” a is the variable that you want to plug in for. If a = 8, then b = 2, and that is now your target. When you plug in your value for a into choice (B), you get $$\frac{8}{3}-\frac{2}{3}=\frac{6}{3}=2$$; thus, the correct answer.
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Sandy
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Try our free Online GRE Test Re: If a = 3b + 2, then, in terms of a, what is the value of b ?   [#permalink] 04 Mar 2018, 14:21
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