Solve systems by substitution

Put the expression for y into the other equation.

1. Solve the system: y = 2x + 10 and −4x − y = 14
2. Solve the system: y = 3x + 12 and −2x − y = 13
3. Solve the system: y = −x + 1 and 2x − y = 2
4. Solve the system: y = x + 6 and −3x − 3y = 0
5. Solve the system: y = 2x + 17 and −4x + y = 29
6. Solve the system: y = −x + 1 and −2x + 5y = 40
7. Solve the system: y = −x and 3x − y = 0
8. Solve the system: y = −x + 3 and −4x − 3y = −7
9. Solve the system: y = −4x + 10 and −4x + y = 2
10. Solve the system: y = −4x + 28 and −5x + 4y = −77
11. Solve the system: y = −2x − 3 and −4x + 2y = 18
12. Solve the system: y = x and 4x − y = 15
13. Solve the system: y = −x + 1 and 2x + 4y = 6
14. Solve the system: y = 3x − 20 and 4x + 2y = −10
15. Solve the system: y = x − 12 and 5x + 5y = 20
16. Solve the system: y = −3x + 19 and −4x + 4y = 12
17. Solve the system: y = −x + 8 and −x − 5y = −52
18. Solve the system: y = −4x − 13 and −2x − 5y = 65
19. Solve the system: y = −4x + 31 and −4x + 4y = 24
20. Solve the system: y = x + 18 and 5x − 2y = −75