Ms. Peterson wrote the expression below on the chalkboard for her class. She asked the students to write an equivalent expression using no more than one set of parentheses.

4(3x+5y+2z)+3(x−z)

• Tom wrote 12x+20y+8z

• Jenna wrote 5(3x+4y+z)

• Chris wrote 15x+20y−5z

Which, if any, of the three students wrote an expression that is equivalent to Ms. Peterson’s expression?

Answer wrote an equivalent expression.

Show your work to prove which expressions, if any, are equivalent.