Do your best job solving it and then explain each step you took to reach your answer, algebra question help

Take a look at the word problem below. Do your best job solving it and then explain each step you took to reach your answer.

“You are playing checkers with your good friend, Bob. Initially, you both start with 24 pieces. After 12 minutes have passed, you both lost the same number of pieces. There are currently only 16 pieces left on the board. How many pieces did you each lose?”