Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Chapter 10 - Review Exercises - Page 760: 8

Answer

$$2x+10y+8z+5w=-1\\ -3x+4y +9w=2$$

Work Step by Step

In order to write a matrix that would solve a linear equation, we would write the coefficients of each variable in their own column. Thus, we reverse the process to find: $$2x+10y+8z+5w=-1\\ -3x+4y +9w=2$$
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