Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 3 Linear Systems and Matrices - 3.5 Perform Basic Matrix Operations - 3.5 Exercises - Skill Practice - Page 191: 25


$x=9.5; y=4$

Work Step by Step

We know that each component of each matrix must be equal to the corresponding component of the other matrix. Thus, we find: $$-2x+(2)(5) =-9 \\ -2x =-19 \\ x = 9.5$$ And: $$-8+2(6) =y \\ y = 4$$
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