Respuesta :

Answer: C. Tobin should have divided by 3.

Step-by-step explanation:

TO cancel out the 3 of the 3x (because 3x is multiplying) Tobin would have needed to divide by 3 on each side to get the correct answer.

quinnxhailey

Answer:

C

Step-by-step explanation:

When isolating the x, one would divide by 3 rather than multiply by 3. I hope this helps :)