Answer
identity; all real numbers
Work Step by Step
An identity is always true, as all real numbers work as a solution. For example: 0x + 5 = 5
Intermediate Algebra (12th Edition)
by Lial, Margaret L.; Hornsby, John; McGinnis, Terry
Published by
Pearson
ISBN 10:
0321969359
ISBN 13:
978-0-32196-935-4
Chapter 1 - Section 1.1 - Linear Equations in One Variable - 1.1 Exercises - Page 51: 5
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