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

Redeem

a + b - c = d, and if a - b + c = e, then a =

This topic has expert replies
Post new topic Post Reply
Previous Topic Next Topic
User avatar
GMAT Instructor
Posts: 3650
Joined: Wed Jan 21, 2009 4:27 am
Location: India
Thanked: 267 times
Followed by:80 members
GMAT Score:760

a + b - c = d, and if a - b + c = e, then a =

by sanju09 » Thu Sep 16, 2010 10:29 pm
If a + b - c = d, and if a - b + c = e, then a =
(A) ½ (d + e)
(B) d - e
(C) 2 d + e
(D) d + e
(E) 2 (d + e)


[spoiler]Source: https://www.west.net/~stewart/gmat[/spoiler]
The mind is everything. What you think you become. -Lord Buddha



Sanjeev K Saxena
Quantitative Instructor
The Princeton Review - Manya Abroad
Lucknow-226001

www.manyagroup.com
Top
Source: — Problem Solving |
User avatar
Legendary Member
Posts: 866
Joined: Mon Aug 02, 2010 6:46 pm
Location: Gwalior, India
Thanked: 31 times

by goyalsau » Thu Sep 16, 2010 11:49 pm
just need to add both the equation.
answers is option A.
Top
Senior | Next Rank: 100 Posts
Posts: 74
Joined: Sun Sep 05, 2010 3:11 pm
Thanked: 3 times

by klmehta03 » Sun Sep 19, 2010 6:06 pm
yup the ans is A
Top
Junior | Next Rank: 30 Posts
Posts: 17
Joined: Tue Aug 24, 2010 4:51 am
Location: Sydney, Australia
Thanked: 1 times

by kaushiksin » Mon Sep 20, 2010 2:45 am
a + b = d+c
a - b = e - c
----------------
2a = d+e
a = (d+e)/2
The answer is (A).
Top
Post new topic Post Reply
• Page 1 of 1