Solve for x: 7x - 15 = 3x + 9
✓ Correct Answer: Option C
Subtract 3x from both sides and add 15 to both sides: 7x - 3x = 9 + 15. This simplifies to 4x = 24. Divide by 4 to get x = 6.
📚 About This GED Exam Prep Practice Question
This 2-level GED Exam Prep question from the Mathematical Reasoning topic is part of BrainForge Quiz's free exam preparation library. Each question includes the correct answer and a detailed explanation to help you understand the underlying concept, not just memorize the answer.
How to use this page: Read the question above, consider all four options (A through D), then check the highlighted correct answer and explanation. For active timed practice, start a free GED Exam Prep practice test or use flashcards for spaced repetition review.