Three students were given the expression shown to simplify.

use the drop-down menus to complete the statements about whether each student's answer is an equivalent expression. then choose an expression that is equivalent.

tessa: 2−21x−28:
tessa's expression because

bernette: −5(3x−4)
bernette's expression is because .

lucy: 2−21x+28:
lucy's expression (correct/wrong) is

equivalent expression:

a correct equivalent expression is