Query about Question 17 from "(I'm Overwhelmed) Algebra Progress Quiz #2 (Version 2)" [7476]

https://prepswift.gregmat.com/quizzes/quiz/im-overwhelmed-algebra-progress-quiz-2-version-2 (Question 17)

How is this correct? how is answer -5? when x lies between 13 and 5

It says that x < 0? I think you might have made a mistake somewhere.