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TAGS: Director  Joined: 07 Jan 2018
Posts: 604
Followers: 7

Kudos [?]: 546  , given: 88

If x + y =8 and y- x = -2, then y= [#permalink]
1
KUDOS 00:00

Question Stats: 16% (00:19) correct 83% (00:32) wrong based on 6 sessions
If x + y =8 and y- x = -2, then y=

A)-2
B)3
C)5
D)8
E)10
[Reveal] Spoiler: OA Manager Joined: 26 Jan 2018
Posts: 182
Followers: 0

Kudos [?]: 110  , given: 3

Re: If x + y =8 and y- x = -2, then y= [#permalink]
1
KUDOS
x+y = 8

y-x = -2

On adding both the equations,

x+y+y-x = 8 + (-2)

2y = 6

y=3

Hence B.

If questions asks for x,

Substituting y in equation 1,
x+y = 8
x+3 =8
x=8-3
x=5 Re: If x + y =8 and y- x = -2, then y=   [#permalink] 07 Apr 2018, 21:48
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# If x + y =8 and y- x = -2, then y=  Question banks Downloads My Bookmarks Reviews Important topics Powered by phpBB © phpBB Group Kindly note that the GRE® test is a registered trademark of the Educational Testing Service®, and this site has neither been reviewed nor endorsed by ETS®.