wikiHow Solve for X Practice Problems and Answers 1. x + 3 = 7 2. 3x - 2 = 8 3. 5x + 4 = 22 4. 4x - 7 = 11 5. 2x + 5 = 13 6. 3x + 1 = 10 7. 5x - 3 = 18 8. 4x + 2 = 18 9. 2x - 4 = 6 10. 3x + 5 = 16 11. 2x - 1 = 5 12. x + 2 = 8 13. 3x + 4 = 16 14. 5x - 5 = 20 15. 2x + 1 = 9 16. 4x - 4 = 12 17. 6x + 2 = 20 18. x - 3 = 4 19. 5x + 3 = 18 20. 3x - 1 = 10 Answer Key: 1. x = 4 2. x = 5 3. x = 4 4. x = 5 5. x = 6 6. x = 3 7. x = 5 8. x = 4 9. x = 5 10. x = 4 11. x = 3 12. x = 6 13. x = 5 14. x = 5 15. x = 4 16. x = 4 17. x = 3 18. x = 7 19. x = 3 20. x = 5 Page