Solve the equation for x: 3x - 7 = 14 A x = 21 B x = 7 C x = 3 D x = 1/3 ✓ Correct Answer: Option B Add 7 to both sides: 3x = 21. Then, divide both sides by 3: x = 7. Practice GED Exam Prep Quizzes → Browse All Questions Study Flashcards