Step-by-step explanation:
Well if you dont understand something ask a teacher for help or study on a topic that you struggle with for example math try looking up different math questions and solving them or ask a teacher is you can have pratice questions or problems then show it to him/her so they can check to see if you are right. Hope that help unless you dont understand a certain question that I might have missed.
Well you need more info you need to know how much land she bought
2 - 2 x 3 + 3
= 2 - 6 + 3
= -4 + 3
= -1
