Respuesta :

FLORC
6/x = 4/x-9
4x=6x-54
-6x both sides
-2x=-54
÷-2 both sides
x=27

27/18
simplify
3/2
I will assume its  4 / (x - 9):-

6/x = 4(x-9)
cross multiply:-

6(x-9) = 4x
6x - 54 = 4x
2x = 54
x = 27

x/18 = 27/18 =  3/2   or 1.5