Answer
See below.
Work Step by Step
We must change the sign of the inequality when multiplying or dividing with a negative number.
E.g. $-x\gt1\\x\lt-1$
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 4 - Section 4.1 - Solving Linear Inequalities - Exercise Set - Page 264: 68
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