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 - Practice and Problem-Solving Exercises - Page 175: 38



Work Step by Step

.You have the inequality 8.6+z$\lt$14 and you have to solve for z: 8.6+z<14⟶ subtract 8.6 from each side z<5.4. Check the inequality: 8.6+4 $\lt$14 12.6$\lt$14. It is correct. You graph using an open circle since 5.4 is not included in the solution.
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