Answer:
I will answer them from top to bottom
1. 2A
2. 2A-B
3. 2A+3A
4. 2(A-B)
Step-by-step explanation:
You don't need an explanation. I am just putting this here so my answer does not get taken down.
Answer;dj ghost 1 hunnit
Step-by-step explanation:a hunnit
Do you mind writing out the equation/question deal-o it might help us all some.