These expressions represent the number of middle school students who signed up for 4 different spring intramural sports.

8n-10 - baseball
2n+3 - flag football
n+4 - kickball
3(2n-1) - soccer

the number of students signed up for baseball and kickball is equal to the number of students signed up for flag football and soccer.

part a: model the situation with an equation by writing the correct expression in place of each question mark.

? + ? = ? + ?

part b: solve the equation. then identify the number of students signed up for each sport.

n = ?
baseball: ?
flag football: ?
kickball: ?
soccer: ?