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

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
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Chapter7: Matrices And Determinants
Section7.1: Matrices And Systems Of Equations
Problem 8ECP
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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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