Respuesta :

Answer:

28r + 8

Step-by-step explanation:

The reason is because you every side equals 7r + 2 which is why you all the sides which gives you 7r + 2 + 7r + 2 + 7r + 2 + 7r + 2= 28r + 8. This is what I believe the answer is but I hope this helped!