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 40: 88



Work Step by Step

We are given the expression $7n+3(2n-6)-2$. We can use the distributive property and then group like terms to simplify. $7n+3\times(2n-6)-2=7n+6n-18-2$ $=(7n+6n)+(-(18+2))=13n+(-20)=13n-20$
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