Elementary Linear Algebra 7th Edition

Published by Cengage Learning
ISBN 10: 1-13311-087-8
ISBN 13: 978-1-13311-087-3

Chapter 1 - Systems of Linear Equations - 1.1 Introduction to Systems of Linear Equations - 1.1 Exercises - Page 10: 25

Answer

$x_{1}$=5 $x_{2}$=3

Work Step by Step

Given: (1) $x_{1}$-$x_{2}$=2 (2)$x_{2}$=3 Since we are given that $x_{2}$=3, we can plug this into equation 1 and solve for $x_{1}$: $x_{1}$-3=2 $x_{1}$=5
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