Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 1 - Introduction to Algebraic Expressions - 1.2 The Commutative, Associative, and Distributive Laws - 1.2 Exercise Set: 43

Answer

$(1+x)+2=x+3$

Work Step by Step

Show that $(1+x)+2$ is equivalent to $x+3$. $(1+x)+2\longrightarrow$ Use the commutative property. =$2+(1+x)\longrightarrow$ Use the associative property. =$(2+1)+x\longrightarrow$ Use the commutative property. =$x+(2+1)\longrightarrow$ Simplify. =x+3
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