BREAKING: Target Test Prep releases Brand New 2026 On Demand GMAT prep course

Redeem

Target Test Prep · GMAT

Choose how you want to prepare

Learn live with an expert or move at your own pace. Every option includes the complete TTP study system.

★★★★★5.0559 reviews
GMATLiveTeach 7 seats left
Chris Peckover
NEXT LIVE COHORT

Oct 13 to Jan 7, 2027

with Chris Peckover

Schedule
Tue, Thu · 8:00 to 10:00 PM ET
Included
40 live hours + 6 months of GMAT OnDemand
  • Live instruction and real-time questions
  • Class recordings and assigned practice
View class & enroll
Limited cohort · enrollment openTarget Test Prep
EALiveTeach 5 seats left
Logan Thompson
EXECUTIVE ASSESSMENT

Sep 6 to Dec 6, 2026

with Logan Thompson

Schedule
Sun · 9:30 AM to 12:30 PM ET
Included
Live EA class + 6 months of EA OnDemand
  • Expert-led weekly online sessions
  • EA Masterclass access between classes
View EA class & enroll
Limited cohort · enrollment openTarget Test Prep
GMATOnDemand Start anytime
SELF-PACED MASTERCLASS

Target Test Prep GMAT OnDemand

Complete access from day one. Study on your schedule.

130-point score guarantee
$0to start then $127/mo
  • Personalized study plan and analytics
  • Thousands of lessons and practice questions

Compare the format, schedule, and included access before enrolling. Prices and seat counts shown reflect the supplied offer details.

xyz=2, what is the value of x/(xy+x+2) + y/(yz+y+1) + 2z/(zx

Expert replies
by Max@Math Revolution » Thu Sep 26, 2019 11:54 pm
[GMAT math practice question]9.27

xyz=2, what is the value of x/(xy+x+2) + y/(yz+y+1) + 2z/(zx+2z+2)?

A.1
B.2
C.3
D. 4
E. 5
Join the discussion
Source: — Problem Solving |

edit

by Max@Math Revolution » Sun Sep 29, 2019 5:18 pm
=>

x/(xy+x+2) + y/(yz+y+1) + 2z/(zx+2z+2)
= x/(xy+x+2) + xy/(xyz+xy+x) + 2xyz/(x^2yz+2xyz+2xy)
= x/(xy+x+2) + xy/(2+xy+x) + 2*2/(2x+2*2+2xy)
= x/(xy+x+2) + xy/(xy+x+2) + 2*2/2[(xy+x+2)]
= (xy+x+2)/(xy+x+2) = 1.

Therefore, A is the answer.
Answer: A
Join the discussion