Algebra 1: Common Core (15th Edition)

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

Chapter 3 - Solving Inequalities - 3-4 Solving Multi-Step Inequalities - Practice and Problem-Solving Exercises - Page 190: 9

Answer

f≤3

Work Step by Step

5f+7≤22 ⟶ subtract 7 from both sides 5f+7−7≤22−7 ⟶ simplify 5f≤15 ⟶ divide both sides by 5 5f÷5≤15÷5 ⟶ simplify f≤3 Check the endpoint 5(3)+7=22 15+7=22 22=22✓ Check the inequality. 5(1)+7<22 5+7<22 12<22✓
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