当x≤-2时
-(x+2)-(x-3)=5
-x-2-x+3=5
-2x=4
x=-2
当-2<x<3时
(x+2)-(x-3)=5
5=5
即x=-1,0,1,2均为原方程的解
当x≥3时
x+2+x-3=0
2x=1
x=-1/2,不合题意
综上所述整数解有5个
解:(1-x)÷3=2-x
(1-x) =3(2-x)
(1-x) =6-3x
2x=5
x=5/2
(1-x)÷3=2-x
1-x=(2-x)×3
1-x=6-3x
(-x+3x)=6-1
2x=5
x=2.5
2.5