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) ​​

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• Tom wrote 12x+20y+8z

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• Jenna wrote 5(3x+4y+z)

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• Chris wrote 15x+20y−5z

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

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​Answer ​_______ wrote an equivalent expression.

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