=10 2x₁ + x₂ + 4x 3 3x₁ -5x₂ + x3 - 6x4 23 x₁ +7x₂ - 3x3 + x 4 = 8 2x2 4x₁ +2x₂-x3- + 5x4 = -13

Elementary Algebra
17th Edition
ISBN:9780998625713
Author:Lynn Marecek, MaryAnne Anthony-Smith
Publisher:Lynn Marecek, MaryAnne Anthony-Smith
Chapter2: Solving Linear Equations And Inequalities
Section2.3: Solve Equations With Variables And Constants On Both Sides
Problem 2.65TI: Solve: 8q5=4q+7 .
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Reduce the augmented matrix into echelon form
2x, +X2 +4x3
3х -5x2 +X3
-
Xi +7х2 - 3x3 +x4 =-8
Ax1 +2х2 -x3 +5×4=-13
-х3
- 10
-
- 6х4 = 23
Transcribed Image Text:2x, +X2 +4x3 3х -5x2 +X3 - Xi +7х2 - 3x3 +x4 =-8 Ax1 +2х2 -x3 +5×4=-13 -х3 - 10 - - 6х4 = 23
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