Solve a system by elimination: opposite coefficients

Use substitution or elimination so that you find x and y. Write your answer as (x, y).

1. Solve the system: 3x − 3y = −9 and −3x − 2y = 4. Write your answer as (x, y).
2. Solve the system: 2x + 2y = −14 and −2x − y = 13. Write your answer as (x, y).
3. Solve the system: x − 2y = −12 and −x − 3y = −18. Write your answer as (x, y).
4. Solve the system: 2x − y = 9 and −2x + 4y = −24. Write your answer as (x, y).
5. Solve the system: 3x + 6y = 0 and −3x + 5y = 11. Write your answer as (x, y).
6. Solve the system: 3x − 4y = −2 and −3x − 6y = −48. Write your answer as (x, y).
7. Solve the system: 3x − 6y = 57 and −3x − y = −1. Write your answer as (x, y).
8. Solve the system: 5x − 6y = −73 and −5x + 5y = 65. Write your answer as (x, y).
9. Solve the system: 6x − 7y = −96 and −6x − 5y = 24. Write your answer as (x, y).
10. Solve the system: 4x − 4y = −24 and −4x + y = 6. Write your answer as (x, y).
11. Solve the system: 4x − 4y = 4 and −4x + 3y = −12. Write your answer as (x, y).
12. Solve the system: 2x + 3y = −20 and −2x + 3y = 8. Write your answer as (x, y).
13. Solve the system: x − 8y = 4 and −x + 6y = −6. Write your answer as (x, y).
14. Solve the system: 5x − 6y = −62 and −5x + 2y = 34. Write your answer as (x, y).
15. Solve the system: 5x − y = 29 and −5x − 8y = −38. Write your answer as (x, y).
16. Solve the system: 7x + 3y = 48 and −7x − 5y = −38. Write your answer as (x, y).
17. Solve the system: 5x + 9y = 139 and −5x − 7y = −117. Write your answer as (x, y).
18. Solve the system: 6x − 3y = 42 and −6x − 5y = 70. Write your answer as (x, y).
19. Solve the system: 3x + 4y = 60 and −3x + 6y = 60. Write your answer as (x, y).
20. Solve the system: x − 5y = 44 and −x − 3y = 4. Write your answer as (x, y).