College Algebra (6th Edition)

Published by Pearson
ISBN 10: 0-32178-228-3
ISBN 13: 978-0-32178-228-1

Chapter 6 - Matrices and Determinants - Exercise Set 6.4 - Page 641: 64

Answer

See below.

Work Step by Step

We must compute the inverse of the coding matrix and multiply the encoded message by it. Finally, we must find the letters corresponding to each number which will give us our message.
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