2x1 + x2 – X3 = 1 X1 + 2x2 + x3 = 8 -X1 + x2 – X3 = -5

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
Chapter2: Working With Real Numbers
Section2.7: Problem Solving: Consecutive Integers
Problem 6ST
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Solve the following system of equations using the Gauss elimination method:

2x1 + x2 – X3 = 1
X1 + 2x2 + x3 = 8
= -5
-X1 + x2 - X3
Transcribed Image Text:2x1 + x2 – X3 = 1 X1 + 2x2 + x3 = 8 = -5 -X1 + x2 - X3
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