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: 64



Work Step by Step

The associative property holds that $(a+b)+c=a+(b+c)$, where a, b, and c are real numbers. In this example, we can set $a+(b+c)=9y+(x+3z)$. So, $a=9y$, $b=x$, and $c=3z$. Therefore, the other side of this equation is $(a+b)+c=(9y+x)+3z$.
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