Look at the two equations:-3x + 6 = 21-3x + 6 < 21Which statement best describes the process used to solve the equations?

First subtract 6 from both sides in each problem, giving −3x = 15 and −3x < 15. Then divide both sides by −3; because this is division by a negative number, reverse the inequality sign. The equation gives x = −5, while the inequality gives x > −5, so choice B best describes the key difference.

AI-written and checked against the verified answer.