Respuesta :

 The answer would be
x= 36/5 or 7.2
3/4x - 4/5 = 1/2x + 1

3/4x - 4/5 = 2/4x + 1

3/4x - 2/4x = 1 + 4/5

1/4x = 9/5

x =      (9x4) / (5x1)

x = 36/5

x = 7 1/5