Answer
$x-y-z-3$
Work Step by Step
Parentheses preceded by a plus sign can be removed without changing the signs of the terms within the parentheses.
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: 10
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