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: 11

Answer

x = 2 y = 0 (2, 0)

Work Step by Step

$2x + y = 4$ $x - y = 2$ Add the second equation to the first one $2x+y+x-y=4+2$ $3x = 6$ $x = 2$ Substitue for x to solve for y $2 - y = 2$ $y = 0$
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