x+    z+2x  =6 {y-2x           =5 {x+2y-z       =-2 {2x-y-3c-2x =0 Can you show any amount of work for me to put as my answer so it looks like I tried?

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter9: Systems Of Linear Equations
Section9.4: The Addition-or-subtraction Method
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{ x+    z+2x  =6

{y-2x           =5

{x+2y-z       =-2

{2x-y-3c-2x =0

Can you show any amount of work for me to put as my answer so it looks like I tried? 

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