duckyyyy

1. open; there is a variable 2. 1 3. (6,2) 4. (-2,-10) 5. (8,-54) 6. starts at 5 and goes up to the right 7. -5 8. -1 9. 1.6 10. -24 11. -153/5 12. 5w+8-w=6w-2(w-4) 13. 4y+5=4y-6 14. infinitely many solutions 15. no solution 16. $5.25 17. 3 18. 4 19. 6