Answer
See explanations.
Work Step by Step
To see if the given ordered triple is a solution of a system in three variables, plug-in the numbers in each equation and test if each equation gives an identify (equal sign stands).
Precalculus (6th Edition) Blitzer
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13446-914-3
ISBN 13:
978-0-13446-914-0
Chapter 7 - Section 7.2 - Systems of Linear Equations in Three Variables - Exercise Set - Page 831: 43
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