College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter P, Prerequisites - Section P.2 - Real Numbers - P.2 Exercises - Page 15: 20



Work Step by Step

The associative property of multiplication shows that changing the grouping of multiplied numbers will not change the result. Therefore, if we put the parenthesis around the multiplication of 7 and 3 rather than the 3 and the x, the expressions are still equal. 7(3x)=(7$\times$3)x
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