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 174: 16



Work Step by Step

8≤f−4 : add 4 to both sides 8+4≤f−4+4 : simplify 12≤f Verify that 12 is a solution at the endpoint. 8=?12−4 8=8✓ Verify that a number greater than 12 is a solution. 8≤?14−4 8≤10✓
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