Answer
Correct
Work Step by Step
$(x+y)+11=11+(x+y)\rightarrow$ apply commutative property
$11+(x+y)-11+(x+y)$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 3 - Section 3.1 - Simplifying Algebraic Expressions - Exercise Set - Page 172: 106
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