Răspuns :
Explicație pas cu pas:
-5 < 3x+8/2 < 4
-20 < 6x+16 < 16 / -16
-36 < 6x < 0 / ÷ 6
-6 < x < 0
A= ( -6 ; 0 )
1/6 < x/4 < 1/3 < 1/2
4 < 6x < 8 < 12 /÷6
4/6 < x < 8/6 < 2
B= ( 4/6 ; 2)
Explicație pas cu pas:
-5 < 3x+8/2 < 4
-20 < 6x+16 < 16 / -16
-36 < 6x < 0 / ÷ 6
-6 < x < 0
A= ( -6 ; 0 )
1/6 < x/4 < 1/3 < 1/2
4 < 6x < 8 < 12 /÷6
4/6 < x < 8/6 < 2
B= ( 4/6 ; 2)