Solve the following simultaneous linear equations:
1. x + y = 4
2. 3x + 2y = 21
3. 2x + 3y = 1
2x - y = -1
x + y = 8
x - y = 3
4. 5x + 3y = 24
5. 7x - 5y = 31
6. 8x + 3y = -14
x + y = 6
x - y = 5
x + 2y = 8
7. 3x - 4y = 13
8. 5x + 6y = -26
9. 8x - 3y = 17
2x + 3y = 3
6x - 5y = -19
5x + 2y = -1
10. 14x + 3y = -16
11. 8x - 3y = 18
12. 9x - 5y = -24
5x - 4y = -26
2x - 7y = -8
4x + 7y = 17
13. 18x + 5y = 26
14. 4x - 5y = -7
15. 7x + 3y = 1
13x - 3y = 32
6x + 4y = 24
3x + 2y = 4
16. 14x + 5y = 2
17. 12x - 7y = 64
18. 2x + 3y = 9
6x - 2y = -24
5x + 4y = -1
4x - 7y = -8
19. 2x - 3y = -0,5
20. 5x - 4y = -2
21. 3x + 2y = -1
3x + 2y = 22
7x + 2y = 31,4
7x + 8y = -21
|