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
$2 - y = 2$
$y = 0$
Elementary Linear Algebra 7th Edition
by Larson, Ron
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: 11
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