Answer
$$z=2,\:y=-2,\:x=1$$
Work Step by Step
Solving the system of equations using substitution, we find:
$$ 1+\frac{-4z+2}{3}+z+\frac{-4z+2}{3}+3z=5 \\ z=2 \\ y=\frac{-4\cdot \:2+2}{3}=-2 \\ x=1-2+2=1$$
Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)
by Bittinger, Marvin L.; Ellenbogen, David J.; Johnson, Barbara L.
Published by
Pearson
ISBN 10:
0-32184-874-8
ISBN 13:
978-0-32184-874-1
Chapter 8 - Systems of Linear Equations and Problem Solving - 8.4 Systems of Equations in Three Variables - 8.4 Exercise Set - Page 537: 11
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