Answer
$x=11\text{ and }y=7$.
Work Step by Step
Two matrices are equal if the corresponding elements of the given matrix are equal.
That is, $x=11$ and $7=y$.
Therefore, $x=6$ and $y$ can be any number.
Hence, $x=11\text{ and }y=7$.
Precalculus (6th Edition) Blitzer
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13446-914-3
ISBN 13:
978-0-13446-914-0
Chapter 8 - Section 8.3 - Matrix Operations and Their Applications - Exercise Set - Page 917: 6
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