Answer
-12x
Work Step by Step
The identity property of addition holds that $a+0=a$ (for some real number $a$).
Therefore, $-12x+0=-12x$.
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 R - Section R.4 - Properties of Real Numbers - R.4 Exercises - Page 38: 48
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