Respuesta :

twicei
4x-2x=-10+2
2x=-8
x=-8/2
x=-4
4x - 2 = 2x - 10
4x - 2 - 2x = (2x - 10) - 2x
2x - 2 = -10 
(2x - 2) + 2 = -10 + 2
2x = -8
2x / 2 = -8 / 2
x = -4