Answer
-24
Work Step by Step
We substitute $n=10$ in the given expression and evaluate it using order of operations (PEDMAS):
$-(n+2)-3(n-6)$
=$-(10+2)-3(10-6)$
=$-(12)-3(4)$
=$-(12)-12$
=$-24$
Elementary Algebra
by Kaufmann, Jerome; Schwitters, Karen;
Published by
Cengage Learning
ISBN 10:
1285194055
ISBN 13:
978-1-28519-405-9
Chapter 1 - Some Basic Concepts of Arithmetic and Algebra - 1.5 - Use of Properties - Problem Set 1.5 - Page 34: 68
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