Question

A student solved 6x+4=2(x−8) in four steps as shown:
Step 1: 6x+4=2x−8
Step 2: 4x+4=−8
Step 3: 4x=−12
Step 4: x=−3

Which statement is an accurate interpretation of the students work?

A. The correct solution is x=−3

B. The student made an error in Step 1.

C. The student made an error in Step 3.

Answer 1

Think about it, if you take the answer and work backwards, you would be able to see the errors the student made.

Answer 2

C?

Answer 3

Um, hello? @zaphirah_