The conjugations for llevar are llevo (yo), llevas (tu w/ accent mark), lleva (ud.), llevamos (nosotros), llevais (accent mark on a and vosotros), and llevan (ustedes). Now, you can find the proper conjugation for the verb llevar, which means to carry or wear. The sentence explains how it's not necessary that you guys (conjugate to carry/bring) the bookbag on the trip.
