Answer:
I'm confused. Is there more to the question?
Does the question start with how many were in the bag originally?
1. 3x-10=x+70
+10 -x
2x=80
x=40
2. x+27+2x-39=180
3x-12=180
+12
3x = 180
x = 64
3. 2x ÷ 80=5x+44
- 2x -44
36= 3x
12=x
Yup! We're all pretty good here.