Solve systems of two linear equations

Eliminate one variable by adding or subtracting the equations, or substitute.

1. Solve the system: 4x + y = −36 and 5x − 3y = −28
2. Solve the system: x − 3y = 0 and −2x − y = 14
3. Solve the system: 5x − 4y = −20 and x − y = −3
4. Solve the system: −2x + 4y = −28 and 5x − y = 7
5. Solve the system: −x + 4y = 28 and x − 3y = −22
6. Solve the system: 3x + 4y = 39 and x + 4y = 29
7. Solve the system: 3x + y = 5 and −4x − 4y = −28
8. Solve the system: 4x + 2y = −42 and −2x − 3y = 31
9. Solve the system: x + 3y = 5 and −5x − 2y = −12
10. Solve the system: 5x − y = 17 and −3x + 3y = −3
11. Solve the system: −3x − 4y = −10 and −x + y = 6
12. Solve the system: 4x − 3y = −30 and 2x − 2y = −18
13. Solve the system: −5x + 4y = 5 and −4x + y = 15
14. Solve the system: x − 5y = −5 and −4x − 3y = −3
15. Solve the system: 5x − y = 43 and −3x − 4y = −12
16. Solve the system: 5x − y = −22 and −4x − y = 5
17. Solve the system: x − 5y = 1 and 5x + 5y = −25
18. Solve the system: 5x − 4y = −15 and 5x − y = −15
19. Solve the system: 4x + 5y = −50 and 3x − 2y = −3
20. Solve the system: −4x + 4y = −56 and −4x + 2y = −42