Precalculus (6th Edition) Blitzer

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

Chapter P - Section P.1 - Algebraic Expressions, Mathematical Models, and Real Numbers - Exercise Set: 84

Answer

Inverse property of addition

Work Step by Step

The inverse property of addition states that The sum of a real number and its additive inverse gives 0, the additive identity. This problem illustrates that concept because a real number, $x+4$ is added to its additive inverse, $-(x+4)$, and it is shown that the sum is equal to 0.
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