Answer
Answers may vary, and one possible solution is
$x+y+z=-3$
$x-y-z=1$
$-x+y-z=7$
Work Step by Step
The goal was to write a simple system of equations for the solution $(-1, 2, -4)$.
$x+y+z=-3$
$x-y-z=1$
$-x+y-z=7$
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 9 - Section 9.1 - Solving Systems of Linear Equations in Three Variables and Problem Solving - Exercise Set - Page 641: 49
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