Elementary Technical Mathematics

Published by Brooks Cole
ISBN 10: 1285199197
ISBN 13: 978-1-28519-919-1

Chapter 5 - Section 5.2 - Simplifying Algebraic Expressions - Exercise - Page 218: 68

Answer

$6x-18$

Work Step by Step

We simplify by removing the parentheses and then combine the like terms as follows: $$ 3x - 3(6 - x)=3x-18+3x=6x-18 .$$
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