(1)
1
2 x-
1
3 x=
1
12 ,
1
6 x=
1
12 ,
1
6 x ÷
1
6 =
1
12 ÷
1
6 ,
x=
1
2 ;
(2)1.2:x=0.75:3,
0.75x=1.2×3,
0.75x=3.6,
0.75x÷0.75=3.6÷0.75,
x=4.8.
(1)
1
2 x-
1
3 x=
1
12 ,
1
6 x=
1
12 ,
1
6 x ÷
1
6 =
1
12 ÷
1
6 ,
x=
1
2 ;
(2)1.2:x=0.75:3,
0.75x=1.2×3,
0.75x=3.6,
0.75x÷0.75=3.6÷0.75,
x=4.8.