Which resulted from the mixing of two languages to create a new one so that people who spoke different languages could trade more easily?

 
Creole results from the mixing of two languages to create a new one. It is a stable language that often does not include features of either the two mixed languages. It is believed to arise when a pidgin becomes the native and primary language of the children. 

d.he wanted to send diplomats to communist countries.

for this case we have the following equation:

we apply distributive property to the terms within parentheses.

subtracting 2 on both sides of the equation: