Answer
$-2x+3y-z-4w-4r+s$
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.
Elementary Technical Mathematics
by Nelson, Robert; Eren, Dale;
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: 19
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