Respuesta :

3x-2=4
3x-2+2=4+2
3x=6
3/3 6/3
x= w

Answer:

x = 4

Step-by-step explanation:

if one box = 1 then wouldn't a big one be 4 since all you're really doing is placing them together so x+x+x = 12 -1-1 =10 for the left side I'm sure you'll understand the rest