Respuesta :

Answer:

C

Step-by-step explanation:

Step 1

  • 7.7 - 2 = w - 2 + 2

Step 2

  • LHS ⇒ 7.7 - 2 = 5.7
  • RHS ⇒ w - 2 + 2 = w [-2 and 2 cancel out = 0]
  • ⇒ 5.7 = 2
  • Mitch did not make a mistake