Answer
$(-∞,-5]$
Work Step by Step
We are given that $3x\leq-15$.
In order to solve for x, we must divide both sides by 3.
$x\leq-5$
Therefore, the solution set consists of all values of x that are less than or equal to -5.
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 3 - Section 3.1 - Graphing Equations - Exercise Set - Page 126: 59
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