Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 1 - Foundations for Algebra - 1-4 Properties of Real Numbers - Lesson Check - Page 26: 1

Answer

Commutative property of addition.

Work Step by Step

x + 12 = 12 + x. The commutative property states that when adding or multiplying numbers, it does not matter the order because they will still end up equaling the same answer.
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