Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 3 - Solving Inequalities - 3-2 Solving Inequalities Using Addition or Subtraction - Practice and Problem-Solving Exercises - Page 174: 26


$-1.6\gt n$

Work Step by Step

$-2.5\gt n-0.9$ : add 0.9 to both sides $-2.5+0.9\gt n-0.9+0.9$ : simplify $-1.6\gt n$ Verify that 1.6 is not a solution. $-2.5\overset?\gt -1.6-0.9$ $-2.5\ /\!\!\!\!\!\gt-2.5\checkmark$ Verify that a number less than -1.6 is a solution. $-2.5\overset?\gt -3-0.9$ $-2.5\gt -3.9\checkmark$
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