Respuesta :

  • 3.2x-16 = 4x

  • 4x - 3.2 x = - 16

  • 0.8 x = - 16

  • x = -16/0.8

  • x = -20
3.2x-16=4x
-3.2x -3.2x
-16= 0.8x
X= -20??