Question

What error did the student make? in line 2, the student forgot to multiply the right side of the equation by 2. in line 3, the student should have subtracted the equations instead of adding them. in line 3, the student added the two equations incorrectly. in line 5, the student used an incorrect equation when solving for x.

Answer 1

Answer: the student forgot to multiple by right side of equation 2 in line 2

Step-by-step explanation: your welcome :)