A system of linear equations with variables x, y, and z is being solved by the Gauss-Jordanelimination method. After setting up the augmented matrix and using elementary row operations, the following matrix is obtained: [1    0    4      −7] [0    1    2       5] [0    0    0       1] State the solution(s) or state why there is no solution (whichever is appropriate).

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter6: Matrices And Determinants
Section: Chapter Questions
Problem 4CC
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 A system of linear equations with variables x, y, and z is being solved by the Gauss-Jordanelimination method. After setting up the augmented matrix and using elementary row operations, the following matrix is obtained:

[1    0    4      −7]
[0    1    2       5]
[0    0    0       1]

State the solution(s) or state why there is no solution (whichever is appropriate).

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