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If z+2y-x=x+z+y

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If z+2y-x=x+z+y [#permalink] New post 04 Feb 2017, 08:29
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Here's another one that I can't figure out in my mygretutor

If z+2y-x=x+z+y, then what is x in terms of y?

When I divide both sides of the equation by z to get rid of z, I get 1 + 2y/z - x/z = x/z + 1 + y/z, but them I'm stuck.

A. 2y
B. y/2
C. 1.5y
D. y2
E. y
[Reveal] Spoiler: OA

Last edited by Carcass on 04 Feb 2017, 11:26, edited 2 times in total.
Edited by Carcass
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Re: If z+2y-x=x+z+y [#permalink] New post 04 Feb 2017, 11:28
Expert's post
Bring all the X on the LHS and the rest on the RHS

-X - X = Z + Y -Z -2Y

Z go off because opposite sign. We are left with

-2X = -Y

X = Y/2

B is the answer

Hope this helps
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Re: If z+2y-x=x+z+y   [#permalink] 04 Feb 2017, 11:28
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