x+2y+3z=4 19. 3x+6y+z=2 (no solution) 2x+4y+z=-2 [x-2y+3z=4 20. 3x-y-z=2 x+y-3z=-2

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter1: Fundamental Concepts Of Algebra
Section1.3: Algebraic Expressions
Problem 32E
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9, 10, 19, 20 using Gauss-Jordan Elimi

(x+2y+3z=4
19. 3x+6y+z=2 (no Solution)
(2x+4y+z=-2
x-2y+3z=4
20. 3x-y-z=2(3, 22-2, z)
x+y-3z=-2
Transcribed Image Text:(x+2y+3z=4 19. 3x+6y+z=2 (no Solution) (2x+4y+z=-2 x-2y+3z=4 20. 3x-y-z=2(3, 22-2, z) x+y-3z=-2
[x+y-z=-2
9.x-y+z=12
x-y-z=0
(5,-1, 6)
(x+2y+z=1
10. 2x-y+z=0 (-1,0, 2)
|-x+y-z=-1
Transcribed Image Text:[x+y-z=-2 9.x-y+z=12 x-y-z=0 (5,-1, 6) (x+2y+z=1 10. 2x-y+z=0 (-1,0, 2) |-x+y-z=-1
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