(x+3/2)-(x-8/6)=-[1-(2x+1/3)]
两边乘6
3(x+3)-(x-8)=-6+2(2x+1)
3x+9-x+8=-6+4x+2
4x-3x+x=9+8+6-2
2x=3
x=3/2
代入ax-3=a+x
3a/2-3=a+3/2
3a/2-a=3/2+3
a/2=9/2
a=9
(x+3/2)-(x-8/6)=-[1-(2x+1/3)]
两边乘6
3(x+3)-(x-8)=-6+2(2x+1)
3x+9-x+8=-6+4x+2
4x-3x+x=9+8+6-2
2x=3
x=3/2
代入ax-3=a+x
3a/2-3=a+3/2
3a/2-a=3/2+3
a/2=9/2
a=9