Big Ideas Math - Algebra 1, A Common Core Curriculum

Published by Big Ideas Learning LLC
ISBN 10: 978-1-60840-838-2
ISBN 13: 978-1-60840-838-2

Chapter 2 - Solving Linear Inequalities - 2.2 - Solving Inequalities Using Addition or Subtraction - Exercises - Page 65: 22

Answer

Inequality $x-3\geq -5$ Solution $ x\geq -2$

Work Step by Step

Let the number is $x$. Number minus $3$ is at least $-5$. The inequality is $\Rightarrow x-3\geq -5$ Add $3$ to each side. $\Rightarrow x-3+3\geq -5+3$ Simplify. $\Rightarrow x\geq -2$
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