Answer
$-32$
Work Step by Step
Substituting $x=
-4
,$ the given expression, $
2(x-1)-(x+2)+3(x-4)
,$ evaluates to
\begin{array}{l}\require{cancel}
2(-4-1)-(-4+2)+3(-4-4)
\\\\=
2(-5)-(-2)+3(-8)
\\\\=
-10+2-24
\\\\=
-8-24
\\\\=
-32
.\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 - Chapter 1 Review Problem Set - Page 38: 66
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
