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
Section9.5: Multiplication With The Addition-or-subtraction Method
Problem 12MP
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2w+x+3y-z=6
w-x+2y-2z=-1
w-x-y+z=-4
-w+2x-2y-z=-7
Solve using the Gauss elimination method with 4 variables.
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