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 217: 12

Answer

$2x+4-3y-4r$

Work Step by Step

To remove parentheses when preceded by a minus sign you must change the sign of each term within the parentheses and drop the leading minus sign. Parentheses preceded by a plus sign (or implied plus sign) can be removed without changing the terms within the parentheses.
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