Relax

Respuesta :

Answer:

Step-by-step explanation:

hello :

n-3/7 + 4 = 4

n-3/7 = 0

n = 3/7  ... answer ; b

Answer:

b.3/7

Step-by-step explanation:

n-3/7 + 4 = 4

Make n the subject

n=4-4+3/7

n=0+3/7

n=3/7

Answer is

b.3/7