A student claims that 3 (3x + 2) + 5 - 4x is equivalent to 5x + 7; however, the student is incorrect. The student's work is shown below: Step 1: 3 (3x + 2) + 5 - 4x Step 2: 9x + 2 + 5 - 4x Step 3: 9x - 4x + 2 + 5 Step 4: 5x + 7 Describe the error in the student's work.
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