Răspuns :
2 _<_ x +2 _<_ 4
x+2 _>_ 2
x+2 _<_ 4
x _>_ 2-2
x +2 _<_ 4
x _>_ 0
x+2 _<_ 4
x _>_ 0
x _<_ 2
x apartine intervalului [ 0, 2 ]
x+2 _>_ 2
x+2 _<_ 4
x _>_ 2-2
x +2 _<_ 4
x _>_ 0
x+2 _<_ 4
x _>_ 0
x _<_ 2
x apartine intervalului [ 0, 2 ]