Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 1 - Section 1.2 - Operations with Real Numbers and Simplifying Algebraic Expressions - Exercise Set - Page 27: 102

Answer

Commutative Property of Addition: $30+5x$ Commutative Property of Multiplication: $x(5)+30$

Work Step by Step

For any real numbers a, b, and c: (i) Commutative Property of Addition: $a+b=b+a$ (ii) Commutative Property of Multiplication: $a\cdot b = b \cdot a$ Thus, using the properties above, the following expressions are equivalent to the given expression: Commutative Property of Addition: $30+5x$ Commutative Property of Multiplication: $x(5)+30$
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