Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

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: 14



Work Step by Step

Solving the system of equations using substitution, we find: $$3\cdot \frac{5+3\cdot \frac{-5z+13}{3}-z}{2}-\frac{-5z+13}{3}+2z=12 \\ z=2 \\ y=\frac{-5\cdot \:2+13}{3} \\ y=1 \\ x=\frac{5+3\cdot \:1-2}{2}=3$$
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.