а. 10х, + 2х, — х, 3D 27 — 3х1 — 5х, + 2х; — —61.5 X1 + x2 + 6хз — — 21.5
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter2: Equations And Inequalities
Section2.1: Equations
Problem 54E
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Question
Solve the following linear equations using Inverse Matrix
![а. 10х, + 2х, — хз 3D 27
— Зх, — 5х, + 2х3 3—61.5
Х1 + х2 + 6хз 3D —21.5
b. 2х, — 6х, — хз — —38
— Зх, — х, + 7хз 3D — 34
—8х1 + х2 — 2х3 3— 20
-](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F26b9765e-6bf6-46d9-bac9-802796ddb8cc%2F810b45a2-8eb6-4ab5-b5e9-3207d953a097%2F3r1qgqw_processed.png&w=3840&q=75)
Transcribed Image Text:а. 10х, + 2х, — хз 3D 27
— Зх, — 5х, + 2х3 3—61.5
Х1 + х2 + 6хз 3D —21.5
b. 2х, — 6х, — хз — —38
— Зх, — х, + 7хз 3D — 34
—8х1 + х2 — 2х3 3— 20
-
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