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 - Monitoring Progress - Page 83: 4

Answer

$1\lt k \lt 6$ The graph is shown below.

Work Step by Step

The given inequality is $\Rightarrow -3\lt 2k-5 \lt 7$ Add $5$ to each expression. $\Rightarrow -3+5\lt 2k-5+5 \lt 7+5$ Simplify. $\Rightarrow 2\lt 2k \lt 12$ Divide each expression by $2$. $\Rightarrow \frac{2}{2}\lt \frac{2k}{2} \lt \frac{12}{2}$ Simplify. $\Rightarrow 1\lt k \lt 6$ Hence, the solution is $1\lt k \lt 6$.
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