Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 3 - Solving Inequalities - 3-2 Solving Inequalities Using Addition or Subtraction - Got It? - Page 172: 2


The solutions for m-11 $\geq$ -2 are numbers 20 and above.

Work Step by Step

First, you isolate m by adding 11 on both the sides resulting with, m $\geq$ 9. The solutions that are possible are 20 and above because 20-11 = 9 and that is one of the inequalities condition. As you increase the number it still follows the pattern. Therefore, any number above 20 and 20 itself make this inequality valid.
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