Answer
$K\geq-56$
Work Step by Step
Isolate the $K$-term on one side to solve the inequality for $K$. Make sure to flip the inequality when multiplying by a negative.
$\frac{K}{-4}+7\leq21$
$\frac{K}{-4}\leq14$
$K\geq-56$
Intermediate Algebra: Connecting Concepts through Application
by Clark, Mark; Anfinson, Cynthia
Published by
Brooks Cole
ISBN 10:
0-53449-636-9
ISBN 13:
978-0-53449-636-4
Chapter 2 - Systems of Linear Equations and Inequalities - 2.4 Solving Linear Inequalities - 2.4 Exercises - Page 171: 9
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