Answer
$-11$
Work Step by Step
Using order of operations, the given expression, $
6-8-9
$, simplifies to
\begin{array}{l}\require{cancel}
-2-9
\\\\=
-11
.\end{array}
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 - 1.3 - Integers: Addition and Subtraction - Problem Set 1.3 - Page 19: 51
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