GRE Official Guide Question Directory
close

It is currently 23 Jan 2021, 19:05
Register
GRE Prep Club Tests
Decision Tracker
My Rewards
New comers' posts
New posts
Unanswered

Close

GRE Prep Club Daily Prep

Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.

Customized
for You

we will pick new questions that match your level based on your Timer History

Track
Your Progress

every week, we’ll send you an estimated GRE score based on your performance

Practice
Pays

we will pick new questions that match your level based on your Timer History

Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.

Go to My Error Log Learn more
Close

Request Expert Reply

Confirm Cancel
PREVIOUS TOPIC
NEXT TOPIC
If 3x + 6y = 69 and 2x – y = 11, what is the value of y?
2 posts Go to First Unread Post
Print view
NEW TOPIC
POST REPLY
Downloads
My Bookmarks
Reviews
Tags :
Find Similar Topics  About 

Show Tags
Hide Tags

User avatar
B
Carcass
Founder
Founder
Joined: 18 Apr 2015
Posts: 14487
GRE 1: Q160 V160
CAT Tests
If 3x + 6y = 69 and 2x – y = 11, what is the value of y? [#permalink] New post  18 Jul 2018, 16:53
Expert Reply
00:00

Question Stats:

91% (01:18) correct 8% (01:27) wrong based on 37 sessions

Hide Show timer Statistics

If 3x + 6y = 69 and 2x – y = 11, what is the value of y?

enter your value

Show: :: OA
7

_________________
New to the GRE, and GRE CLUB Forum?
GRE: All you do need to know about the GRE Test | GRE Prep Club for the GRE Exam - The Complete FAQ
Search GRE Specific Questions | Download Vault
Posting Rules: QUANTITATIVE | VERBAL
FREE Resources: GRE Prep Club Official LinkTree Page | Free GRE Materials - Where to get it!! (2020)
Free GRE Prep Club Tests: Got 20 Kudos? You can get Free GRE Prep Club Tests
GRE Prep Club on : Facebook | Instagram


Questions' Banks and Collection:
ETS: ETS Free PowerPrep 1 & 2 All 320 Questions Explanation. | ETS All Official Guides
3rd Party Resource's: All Quant Questions Collection | All Verbal Questions Collection
Books: All GRE Best Books
Scores: The GRE average score at Top 25 Business Schools 2020 Ed. | How to study for GRE retake and score HIGHER - (2020)
How is the GRE Score Calculated -The Definitive Guide (2021)
Tests: GRE Prep Club Tests | FREE GRE Practice Tests [Collection] - New Edition (2021)
Vocab: GRE Prep Club Official Vocabulary Lists for the GRE (2021)
Signature Read More
avatar
bloodstorm917
Intern
Intern
Joined: 09 Jul 2018
Posts: 10
Re: If 3x + 6y = 69 and 2x – y = 11, what is the value of y? [#permalink] New post  18 Jul 2018, 17:37
1
This one is fairly simple algebra. Lets simplify and isolate for x in the first equation:
\(3x + 6y = 69\)
\(x + 2y = 23\)
\(x = 23 - 2y\)

Plug x into the second equation:
\(2x – y = 11\)
\(2(23 - 2y) – y = 11\)
\(46 - 4y - y = 11\)
\(46 - 5y = 11\)
\(46 - 11 = 5y\)
\(35 = 5y\)
\(7 = y\)

The answer is \(y = 7\)
GRE Prep Club Bot
gmatclubot
[#permalink]
NEW TOPIC
POST REPLY
Downloads
My Bookmarks
Reviews
Moderators:
GreenlightTestPrep
GRE Instructor
4048 posts
theBrahmaTiger
Moderator
348 posts
amorphous
Moderator
715 posts
BrushMyQuant
Moderator
157 posts
AskMathQuestions
Moderator
49 posts
gajala
Moderator
175 posts
Ashgre
Moderator
142 posts
rx10
Moderator
101 posts
pranab223
1305 posts

cron

Powered by phpBB © phpBB Group | Emoji artwork provided by EmojiOne

Main navigation

Partners

GRE Resources

www.ets.org/gre | About | Terms and Conditions and Privacy Policy | GRE Prep Club Rules | Contact