(1)x-
3
5 x=
6
5 ,
2
5 x ÷
2
5 =
6
5 ÷
2
5 ,
x=3;
(2)
1
4 (x+0.5)=2,
1
4 (x+0.5) ÷
1
4 =2 ÷
1
4 ,
x+0.5-0.5=8-0.5,
x=7.5;
(3)
2
3 x+
1
2 =
7
8 ,
2
3 x +
1
2 -
1
2 =
7
8 -
1
2 ,
2
3 x ÷
2
3 =
3
8 ÷
2
3 ,
x=
9
16 .
(1)x-
3
5 x=
6
5 ,
2
5 x ÷
2
5 =
6
5 ÷
2
5 ,
x=3;
(2)
1
4 (x+0.5)=2,
1
4 (x+0.5) ÷
1
4 =2 ÷
1
4 ,
x+0.5-0.5=8-0.5,
x=7.5;
(3)
2
3 x+
1
2 =
7
8 ,
2
3 x +
1
2 -
1
2 =
7
8 -
1
2 ,
2
3 x ÷
2
3 =
3
8 ÷
2
3 ,
x=
9
16 .