Is an ordered pair a solution of the system?

Put the x and y values into both equations. Both must be true. Write yes or no.

1. Is (−3, 6) a solution of the system x + 5y = 27 and −x + y = 9? Write yes or no.
2. Is (−6, 1) a solution of the system 4x − 5y = −29 and −5x − y = 29? Write yes or no.
3. Is (−5, −1) a solution of the system 3x + 4y = −19 and 3x + 4y = −19? Write yes or no.
4. Is (−1, 1) a solution of the system 2x + 2y = 0 and −x + 3y = 4? Write yes or no.
5. Is (−2, −8) a solution of the system 5x − y = −2 and 4x + y = −16? Write yes or no.
6. Is (−2, 4) a solution of the system 5x − 4y = −26 and 4x − 5y = −30? Write yes or no.
7. Is (−3, −8) a solution of the system 4x + 6y = −60 and x + 3y = −27? Write yes or no.
8. Is (−1, −8) a solution of the system 2x − 3y = 22 and x + 4y = −36? Write yes or no.
9. Is (2, −7) a solution of the system 7x − 3y = 35 and x − y = 10? Write yes or no.
10. Is (−9, −7) a solution of the system 5x − 5y = −10 and x + 6y = −48? Write yes or no.
11. Is (10, 5) a solution of the system 3x − 6y = 0 and −2x − y = −26? Write yes or no.
12. Is (−3, 2) a solution of the system 3x + 6y = 3 and −3x + 4y = 14? Write yes or no.
13. Is (−12, 10) a solution of the system x + 2y = 8 and −5x + 8y = 142? Write yes or no.
14. Is (4, −9) a solution of the system 6x + 2y = 6 and −3x − 7y = 48? Write yes or no.
15. Is (−11, −4) a solution of the system 8x + 4y = −104 and 6x − 4y = −50? Write yes or no.
16. Is (−11, −4) a solution of the system 3x + 3y = −45 and −3x − 3y = 45? Write yes or no.
17. Is (11, −14) a solution of the system 4x + 4y = −12 and 7x − y = 91? Write yes or no.
18. Is (−13, 12) a solution of the system x − 2y = −37 and 2x + 2y = −3? Write yes or no.
19. Is (−1, 6) a solution of the system 3x + 9y = 51 and −x − y = −8? Write yes or no.
20. Is (12, −11) a solution of the system 6x − 8y = 160 and 8x − 9y = 196? Write yes or no.