Answer
Please see the graphs.
Work Step by Step
$-2x \leq -4$
$-2x/-2 \leq-4/-2$
$ x \geq 2$
$5x-20 \geq5$
$5x-20+20 \geq5+20$
$5x \geq25$
$5x/5 \geq25/5$
$ x \geq5$
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Appendix C - Exercise Set - Page 987: 47
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