When solving an​ inequality, when must you reverse the direction of the inequality​ symbol?
Choose the correct answer below.
A.
If a negative number is subtracted from both sides of an​ inequality, the direction of the inequality symbol must be reversed.
B.
If both sides of an inequality are multiplied or divided by a negative​ number, the direction of the inequality symbol must be reversed.
C.
If a negative number is added in both sides of an​ inequality, the direction of the inequality symbol must be reversed.