North High School has a math club and a science club. There are \(a\) students in the math club and \(b\) students who are members of both clubs. There are twice as many students in the science club as in the math club. Find an expression for the total number of students who are in the math club or the science club but not both. Give your answer in simplest form.

Lilliam0216 Mar 23, 2024