Chapter 3 - Solving Inequalities - 3-2 Solving Inequalities Using Addition or Subtraction - Practice and Problem-Solving Exercises - Page 174: 20

$-2\geq x$

$-3\geq x-1$ : add 1 to both sides $-3+1\geq x-1+1$ : simplify $-2\geq x$ Verify that -2 is a solution at the endpoint. $-3\overset?= -2-1$ $-3=-3\checkmark$ Verify that a number less than -2 is a solution. $-3\overset?\geq -5-1$ $-3\geq -6\checkmark$