Answer
$x=13$
$3y=12$
$y=4$
Work Step by Step
Two matrices are equal only if the values in the same position are equal. That is, if $A=B$, $a_{11}=b_{11}, a_{12}=b_{12},a_{21}=b_{21},...,a_{ij}=b_{ij}$
$x=13$
$3y=12$
$y=\frac{12}{3}=4$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 10 - 10.2 - Operations with Matrices - 10.2 Exercises - Page 724: 6
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