Chapter 3 - Solving Inequalities - 3-2 Solving Inequalities Using Addition or Subtraction - Practice and Problem-Solving Exercises - Page 174: 15

$-4\gt c$

$-6\gt c-2$ : add 2 to both sides $-6+2\gt c-2+2$ : simplify $-4\gt c$ Verify that -4 is not a solution. $-6\overset?\gt-4-2$ $-6\ /\!\!\!\!\gt-6\checkmark$ Verify that a number less than -4 is a solution. $-6\overset?\gt -6-2$ $-6\gt-8\checkmark$