Răspuns :
Răspuns:
|2x-1|<<==3
-3<<==2x-1<<==3 /+1
-2<<==2x<<==4 /:2
-1<<==x<<==2
x€[-1, 2]
|2x-1| <| 3 <| = mai mic sau egal
2x-1 <| 3 >| = mai mare sau egal
2x <| 4 /:2
x <| 2
|2x-1| >| -3
2x-1 >| -3 /+1
2x >| -2 /:2
x >| -1
A = [-1,2]
Răspuns:
|2x-1|<<==3
-3<<==2x-1<<==3 /+1
-2<<==2x<<==4 /:2
-1<<==x<<==2
x€[-1, 2]
|2x-1| <| 3 <| = mai mic sau egal
2x-1 <| 3 >| = mai mare sau egal
2x <| 4 /:2
x <| 2
|2x-1| >| -3
2x-1 >| -3 /+1
2x >| -2 /:2
x >| -1
A = [-1,2]