设甲车间原来有x人,则乙车间原来有x-36人
(x-12)(1-1/3)=x-36+12
(2/3)x-8=x-24
(2/3)x-8+24=x-24+24
(2/3)x+16=x
x-(2/3)x=16
(1/3)x=16
x=16/(1/3)
x=48
甲车间现在:48-12=36(人)
设甲车间原来有x人,则乙车间原来有x-36人
(x-12)(1-1/3)=x-36+12
(2/3)x-8=x-24
(2/3)x-8+24=x-24+24
(2/3)x+16=x
x-(2/3)x=16
(1/3)x=16
x=16/(1/3)
x=48
甲车间现在:48-12=36(人)