Respuesta :

5/5 = 1

a - 1 = 5

a - 1 (+1) = 5 (+1)

a = 6


if you mean (a-5)/5 = 5

((a - 5)/5) (5) = 5(5)

a - 5 (+5) = 25 + 5

a = 30

hope this helps