Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 1 - Foundations for Algebra - 1-4 Properties of Real Numbers - Practice and Problem-Solving Exercises - Page 28: 50



Work Step by Step

$(4.4\div4.4)(x+7)$ It makes sense to resolve the first set of parentheses first because there is no variable in the expression. $4.4\div4.4=1$. Now we are left with $1(x+7)$. If we use the multiplication property of 1, we know anything multiplied by 1 is itself. $1(x+7)=x+7$. This cannot be simplified any further and is the correct answer.
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