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: 23


$0\gt r$

Work Step by Step

$-\frac{3}{4}\gt r-\frac{3}{4}$ : add $\frac{3}{4}$ to both sides $-\frac{3}{4}+\frac{3}{4} \gt r-\frac{3}{4}+\frac{3}{4}$ : simplify $0\gt r$ Verify that 0 is not a solution. $-\frac{3}{4}\overset?\gt 0-\frac{3}{4}$ $-\frac{3}{4}\ /\!\!\!\!\!\gt-\frac{3}{4}\checkmark$ Verify that a number less than 0 is a solution. $-\frac{3}{4}\overset?\gt -1-\frac{3}{4}$ $-\frac{3}{4} \gt -1\frac{3}{4}\checkmark$
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