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: 21

Answer

Inequality $x+8\gt 11$ Solution $x\gt 3$

Work Step by Step

Let the number is $x$. Number plus $8$ is greater than $11$. The inequality is $\Rightarrow x+8\gt 11$ Subtract $8$ from each side. $\Rightarrow x+8-8\gt 11-8$ Simplify. $\Rightarrow x\gt 3$.
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