Answer:
6, 26
Step-by-step explanation:
because x is 6 so itll be -3(6)=-8
-3 times 8 is -26
y=-26
17. 3ab + 8a
18. -6c + 6
19. 8x + 4
20. x - 3
21. 12x - 4
1/4,
285.061