Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 1 - Some Basic Concepts of Arithmetic and Algebra - Chapter 1 Review Problem Set - Page 38: 49



Work Step by Step

We start with the given expression: $3(x+6)+7(x+8)$ We use the distributive property to expand the expression: $3x+18+7x+56$ We use the commutative and associative properties to group like terms: $3x+7x+18+56$ We combine the like terms using addition: $(3+7)x+18+56=10x+74$
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