Lily and Rose are playing a game. In the game, each player starts with 0 points, and the player with the most points at the end wins.

● Lily gains 5 points two times, loses 12 points, and then gains 3 points

● Rose loses 3 points two times, loses 1 point, gains 6 points, and then gains 7 points
Write and evaluate an expression to find Lily's score b. Write and evaluate an expression to find roses score