Hailey is a high school basketball player. In a particular game, she made some three point shots and some free throws (worth one point each). Hailey scored a total of 14 points and made 4 times as many free throws as three point shots. Write a system of equations that could be used to determine the number of three point shots Hailey made and the number of free throws she made. Define the variables that you use to write the system.