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Retired Moderator
Joined: 05 Jul 2006
Posts: 1749

Kudos [?]: 442 [0], given: 49

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22 Oct 2006, 14:11
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

Solve for y

22-/y+14/=20

Kudos [?]: 442 [0], given: 49

SVP
Joined: 01 May 2006
Posts: 1794

Kudos [?]: 169 [0], given: 0

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22 Oct 2006, 14:18
22-|y+14|=20
<=> 22-20 = |y+14|
<=> |y+14|= 2
<=> y+14 = 2 or -(y+14) = 2
<=> y=-12 or y=-16

Kudos [?]: 169 [0], given: 0

Intern
Joined: 05 Mar 2006
Posts: 20

Kudos [?]: [0], given: 0

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22 Oct 2006, 16:51
Hey Fig,
In |y+14| should'nt it be just y which is unknown that could be either positive or negative instead of entire |y+14| being +ve or -ve. In other words the two equations should be

22-|y+14|=20

so |y+14|=2
or -y+14=2

or y+14=2

Is this correct or your version is correct. Pls explain.
Thanks

Kudos [?]: [0], given: 0

22 Oct 2006, 16:51
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