Respuesta :

12x-6 is answer of these math
Distribute the 3 ->    12x - 6
Get rid of the 6 on the side with the variable ->    12x - 6 + 6 = 0 + 6
Get rid of the 12 ->     12x / 12 = 6 / 12
Simplify ->     1x = x = 1/2 or 0.5

RELAXING NOICE
Relax