Answer
$x=-10$
Work Step by Step
$-x-5=5$
First add 5 to both sides.
$-x=5+5$
$-x=10$
Then multiply both sides by -1.
$-x(-1)=10(-1)$
$x=-10$
Check the answer.
-(-10)-5=5
10-5=5
5=5
Introductory Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-805-X
ISBN 13:
978-0-13417-805-9
Chapter 2 - Section 2.2 - The Multiplication Property of Equality - Exercise Set - Page 130: 40
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