Grade 9 Algebra worksheet

What is on the worksheet

1. Solve for x: 23x = 138

2. Find the coefficient of x after simplifying 16x + 10x.

3. Solve for x: 11x + 47 = 564

4. Evaluate 5x + 20 when x = 1.

5. Solve for x: 15x + 67 = 352

6. Solve for x: 3x = 0

7. Solve: 9x + 5 = 3x + 77.

8. Solve for x: x + y = 25 and x − y = 21.

9. f(t) = 4t + (-6); g(t) = 5t + (8). Find f(g(5)).

10. Solve for x: 2x + 15 = 75

11. Solve for x: x + y = 32 and x − y = 20.

12. f(x) = 11x + (5). Find f⁻¹(236).

13. f(x) = 9x + (28). Find f⁻¹(208).

14. f(t) = 5t + (-10); g(t) = 5t + (-3). Find f(g(-5)).

15. Solve: 11x + 17 = 1x + 47.

16. y = kx. When x = 16, y = 224. Find y when x = 89.

17. Solve: 12x + 10 = 2x + 60.

18. f(x) = 7x + (5). Find f⁻¹(-44).

19. Find the coefficient of x after simplifying 27x + 29x.

20. f(t) = 7t + (10); g(t) = 8t + (-2). Find f(g(-5)).