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: 18



Work Step by Step

s−10≤1 : add 10 to both sides s−10+10≤1+10 : simplify s≤11 Verify that 11 is a solution at the endpoint. 11−10=?1 1=1✓ Verify that a number less than 11 is a solution. 10−10≤?1 0≤1✓
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