A student multiplied both sides of the inequality (-1/3)x 4 by -3 and forgot to reverse

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A student multiplied both sides of the inequality (-1/3)x ≤ 4 by -3 and forgot to reverse the direction of the inequality symbol. What is the relation between the student’s incorrect solution set and the correct solution set? Is there any number in both the correct solution set and the student’s incorrect solution set? If so, what is it?

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A Survey of Mathematics with Applications

ISBN: 978-0134112107

10th edition

Authors: Allen R. Angel, Christine D. Abbott, Dennis Runde

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