1. $x + 5 = 12$

2. $x - 3 = 8$

3. $2x = 14$

4. $\frac{x}{3} = 6$

5. $x + 7 = 15$

6. $x - 9 = 4$

7. $3x = 21$

8. $\frac{x}{4} = 5$

9. $2x + 3 = 11$

10. $3x - 5 = 10$

11. $4x + 7 = 23$

12. $5x - 2 = 18$

13. $6x + 1 = 25$

14. $7x - 4 = 31$

15. $8x + 5 = 45$

16. $9x - 6 = 30$

17. $2x + 5 = 3x - 1$

18. $4x - 3 = 2x + 7$

19. $5x + 2 = 3x + 10$

20. $6x - 4 = 4x + 8$

21. $3(x + 2) = 15$

22. $2(x - 3) = 8$

23. $4(2x + 1) = 20$

24. $5(3x - 2) = 35$

25. $2(3x + 4) = 26$

26. $3(4x - 1) = 33$

27. $\frac{x}{2} + 3 = 7$

28. $\frac{x}{3} - 2 = 4$

29. $\frac{2x}{5} = 6$

30. $\frac{3x}{4} = 9$

31. $\frac{x + 2}{3} = 5$

32. $\frac{x - 1}{4} = 2$

33. $\frac{2x + 1}{3} = 5$

34. $\frac{3x - 2}{4} = 4$

35. $0.5x + 1 = 3$

36. $0.2x - 0.4 = 0.6$

37. $1.5x + 2 = 8$

38. $0.3x - 0.1 = 0.8$

39. $2.5x - 1 = 9$

40. $0.4x + 0.6 = 2$

41. $7x + 8 = 6x + 15$

42. $9x - 5 = 8x + 3$