Respuesta :

1/7. P = 1/7. 4/7 + 1/7 = 5/7. or 5/7 - 4/7 = 1/7

Answer: p= 1/7

Step-by-step explanation:

5/7=p+4/7

-p=4/7-5/7

-p=-1/7

P=1/7