Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 1 - Section 1.4 - Properties of Real Numbers and Algebraic Expressions - Exercise Set - Page 39: 43



Work Step by Step

The associative property of addition holds that $(a+b)+c=a+(b+c)$. In this example, we can set $(a+b)+c=(x+1.2)+y$. Therefore, $a=x$, $b=1.2$, and $c=y$, so an equivalent expression would be $a+(b+c)=x+(1.2+y)$.
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