Kali and Micaela are selling cheesecakes for a school fundraiser. Customers can buy pecan cheesecakes and chocolate marble cheesecakes. Kali sold 12 pecan cheesecakes and 7 chocolate marble cheesecakes for a total of $118. Micaela sold 9 pecan cheesecakes and 14 chocolate marble cheesecakes for a total of $176. What is the cost each of one pecan cheesecake and one chocolate marble cheesecake?