Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter P - Review Exercises - Page 142: 18

Answer

The commutative property of addition

Work Step by Step

The commutative property of addition states that changing the order of the addends does not affect the sum. The addends, 4•7 and 3•7, change order, however the equals sign tells us that the sum remains unchanged.
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