Five students each wrote an expression to represent the perimeter of the given rectangle. Said wrote this correct expression: (3x + 3x) + (4x + 4x) + (3 + 3). Circle the name of the student who wrote an incorrect expression. Explain why the expression is incorrect.
Amy: 2(3x) + 2(4x + 3)
Kaye: 3x + 3x + 4x + 3 + 4x + 3
Lawrence: 4(3x) + 2(4x)
Sufjan: 3 + 3 + x(3 + 3 + 4 + 4)