Solve: 4(x + 3) = 2(x + 9) A x = 3 B x = −3 C x = 6 D x = 0 ✓ Correct Answer: Option A 4x + 12 = 2x + 18 → 2x = 6 → x = 3. Practice SAT Exam Prep Quizzes → Browse All Questions Study Flashcards