4b - 6 + b - 9 = 0
Need Step by Step PLZ

Write two subtraction equations that are equivalent to 5 + 12 = 17.

Which situation can be modeled by the inequality 5 + 10w ≥ 45? a. you start with $5 and save $10 a week until you have at least $45. b.you start with 5 baseball cards and purchase 10 cards every week until you have at most 45 cards. c.you start with 5 water bottles and purchases cases of 10 water bottles each until you have a total of 45 water bottles. d.you spend $5 plus $10 per week until you have less than $45.

Melody received $140 at the end of a certain week. how many customers did she advise that week?