Answer
x=(-∞,-24] U [16,∞)
Work Step by Step
Split into two inequalities
x+4≥ 20, x+4≥ 0
-(x+4)≥ 20, x+4,0
Solve the Inequalities
x≥ 16, x≥ -4
x≤ -24, x
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Appendix D - Exercise Set - Page 997: 88
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