Răspuns:
{[(x-2):2+2]-2}×2=8
[(x-2):2+2]-2=8:2
[(x-2):2+2]-2=4
(x-2):2+2=4+2
(x-2):2+2=6
(x-2):2=6-2
(x-2):2=4
x-2=4×2
x-2=8
x=8+2
x=10
