Answer
See below.
Work Step by Step
$5x_3=0\\x_3=0$
Thus $4x_2-7x_3=4x_2-7(0)=2\\4x_2=2\\x_2=0.5$
$x_1+5(0.5)+2(0)=-6\\x_1+2.5=-6\\x_1=-8.5$
Differential Equations and Linear Algebra (4th Edition)
by Goode, Stephen W.; Annin, Scott A.
Published by
Pearson
ISBN 10:
0-32196-467-5
ISBN 13:
978-0-32196-467-0
Chapter 2 - Matrices and Systems of Linear Equations - 2.9 Chapter Review - Additional Problems - Page 193: 20
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