Solve each equation or inequality. (algebraically) Please show all of your work!
19. 4+|8 - 2x| greater than or equal to 11
20. |x + 8| less than or equal to 4x-5
21. 3|2x + 1|>-18
22. 2|x + 4|-3 less than or equal to 9
23. -2|x - 3|>16
24. 5-|6 - 3x|= -9
25. |5x - 10| less than or equal to 30