Question

I need help guys i honestly dont know the asnwer to any of these questions

Answer 1

1. 5x

2. 1x or x

3.-1x

4. -5x

5. 0

6. 3x

7. 11x

8. 2x

9. 6x+2y

10. 2x+4y

11. 3x+6y+z

12. 3x+3y

13.-9x+2y

14. 7x+5y

15. 3x-y

16. -7x-5y

17. 0

18. 9xy

19. 7x-2y+3z

20. -8+10

21. 2y

22.5x

23. -6x+11

Explanation: