Under what circumstances do you reverse the direction of the inequality symbol when solving a linear inequality

You reverse the direction of the inequality symbol whenever you multiply or divide an inequality by a negative number.

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... or perform any other operation that reverses the order of numerical values. (For example, 2 > 1, but cos(2) < cos(1).)

Number 5 is 50 degreesnumber 6 is 45 degreesnumber 7 is 60 degreesnumber 8 is 45 degrees