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: 7


$$x+2z=-8 \\ 2x-2y+3z=12 \\ 4x+7y+z =3$$

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: $$x+2z=-8 \\ 2x-2y+3z=12 \\ 4x+7y+z =3$$
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