2/1【(3/1y-1)-6】=1
(3/1y-1)-6=2
3/1y=9
y=9×3
y=27
(x-1)/3-(2x+3)/2=(x-1)/6-1
(x-1)/6-(2x+3)/2=-1
两边乘6
x-1-6x-9=-6
5x=-4
x=-4/5