Respuesta :

-3(4x + 2) - 3x = 1/4(16x - 20) + 12

-12x - 6 - 3x = 4x + 7

-15x - 6 = 4x + 7

-6 = 4x + 7 + 15x

-6 = 19x + 7

-6 - 7 = 19x

-13 = 19x

x = -13/19 or x = -0.68

hope this helped, blessings!