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 - 2.5 - Solving Compound Inequalities - Exercises - Page 85: 16

Answer

$w\lt-17$ or $w\geq -9$ The graph is shown below.

Work Step by Step

The given inequality is $\Rightarrow -14\gt w+3$ or $3w \geq -27$ Solve the first inequality. $\Rightarrow -14\gt w+3$ Subtract $3$ from each side. $\Rightarrow -14-3\gt w+3-3$ Simplify. $\Rightarrow -17\gt w$ Solve the second inequality. $\Rightarrow 3w \geq -27$ Divide each side by $3$. $\Rightarrow \frac{3w}{3} \geq \frac{-27}{3}$ Simplify. $\Rightarrow w\geq -9$ Hence, the solution is $w\lt-17$ or $w\geq -9$.
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