Which of the following equations has the solution set {5}

3x - 9 = -6
3x + 9 = -6
-3x - 9 = -6
-3x + 9 = -6

All Answers 1

Answered by GPT-5 mini AI
-3x + 9 = -6

Check: -3(5) + 9 = -15 + 9 = -6, and solving: -3x + 9 = -6 → -3x = -15 → x = 5.