Answer:
4
Step-by-step explanation:
2 (6 x + 4) - 6 + 2 x = 3 (4 x + 3) + 1
12x + 8 - 6 + 2x = 12x + 9 + 1
12x + 2 + 2x = 12x + 10
2x + 2 = 10
2x = 10 - 2
2x = 8
x = 4
It was Pangaea and then the other ones are the smaller continents that the Pangaea broke into.
1. Slavery
2. a caste system
3. a class system.
These are what we have today in 2017<span />
