-3 </ 2x-1 < 15 aduni toata relatia cu 1
-3+1 </ 2x-1+1 < 15+1
-2 </ 2x < 16 /:2
-2/2 </ 2x/2 < 16/2
-1 </ x < 8
A =[-1, 8)
|x-2| </ 5
-5 </ x-2 </ 5 /+2
-3 </ x </ 7
B = [-3, 7]
