Answer
$x=3.71$
$y=-1.72$
$z=3.81$
Work Step by Step
You can use the calculator TI84.
See the following graph.
Precalculus: Mathematics for Calculus, 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305071751
ISBN 13:
978-1-30507-175-9
Chapter 10 - Section 10.3 - Matrices and Systems of Linear Equations - 10.3 Exercises - Page 711: 66
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