Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole
ISBN 10: 1305071751
ISBN 13: 978-1-30507-175-9

Chapter 1 - Section 1.1 - Real Numbers - 1.1 Exercises - Page 10: 13


Associative Property of Addition

Work Step by Step

(x+2y)+3z = x+(2y+3z) The Associative property states that when adding (or multiplying) three numbers, it doesn't matter which two get added first. Since no minus signs are involved, we can safely assume that both sides are equal if we plugin for x, y, and z. We write the answer as The Associative Property of Addition. (a+b)+c = a+(b+c)
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