1. 2– 2y + 2z = 3r – 2y + 2z = 3 2x – 3y – z = –72x – 3y – z = - 7 -x + 3y – 3z = –4-x+ 3y – 3z = – 4 2. 2 – 2y + z = -6x – 2y + z = - 6 2x – 3y – z = 112x – 3y – z = 11 -x + 4y – 3z = 28-x + 4y – 3z = 28
1. 2– 2y + 2z = 3r – 2y + 2z = 3 2x – 3y – z = –72x – 3y – z = - 7 -x + 3y – 3z = –4-x+ 3y – 3z = – 4 2. 2 – 2y + z = -6x – 2y + z = - 6 2x – 3y – z = 112x – 3y – z = 11 -x + 4y – 3z = 28-x + 4y – 3z = 28
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section: Chapter Questions
Problem 28RE
Related questions
Question
Solve the system of linear equations using direct methods
Transcribed Image Text:1. г — 2у + 22 %3D 3х - 2у + 22 3 3
|3|
2я — Зу — 2 — -72х — Зу — 7 - -7
— х + 3у — 32 3 - 4-х + 3у - 323D - 4
2. и — 2у + 2 — - 6х — 2у +2 — - 6
2 — Зу — х %3D 112х - 3у - 2 - 11
— х + 4у — 32 %3D 28-х + 4у — 3z %3D 28
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