Respuesta :

Answer:

they added 6 on the right instead of subtracting 6

Step-by-step explanation:

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Answer:

The second line in the student's work. 5x-6=7x+16

Step-by-step explanation:

In the student's work on the second line, the student incorrectly did 10-6, which equals 4, not 16. So, the correct step should be 5x-6=7x+4.