Respuesta :

Answer:

4/3

Step-by-step explanation:

  1. A/4 - 5/6 = -1/2
  2. (A6 - 20)/24 = -1/2
  3. A6 - 20 = -(1/2) x 24
  4. A6 = -12 + 20
  5. A6 = 8
  6. A = 8/6
  7. A = 4/3