13. X1 3x3 = 8 +9x3 = 7 X₂ + 5x3 = −2 2x₁ + 2x₂

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter1: Fundamental Concepts Of Algebra
Section1.2: Exponents And Radicals
Problem 16E
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Question
Question 13
Follow
on.
7 and
3x₁ - 7x₂ +
-4X₁ + 6x₂ -
x3 =
8
x3 = 7
14. x₁3x₂
13. Xp
X₁
-
3x3
2x₁ + 2x₂ + 9x3 = 7
X₂ + 5x3 = -2
-
[
8
-X₁ + X₂ + 5x3 = 2
Transcribed Image Text:Follow on. 7 and 3x₁ - 7x₂ + -4X₁ + 6x₂ - x3 = 8 x3 = 7 14. x₁3x₂ 13. Xp X₁ - 3x3 2x₁ + 2x₂ + 9x3 = 7 X₂ + 5x3 = -2 - [ 8 -X₁ + X₂ + 5x3 = 2
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