Answer:
All of these populatins became enslaved by the spanish
U times x times four then u get. eight x minus and then u multiply four times seven and u get 8x- 28 that is your answer unless u know what x is then u just multiply 8 times x then subtract 28
This is probably true, as music was present in all cultures, and it is argued that music might have been part of the culture of the human population before it split and populated all the continents.