2(x+1)/3-5(x+1)/6=1(两边同时×6)4(x+1)-5(x+1)=64x+4-5x-5=6-x=7x=-7
【(2x+2)/3】*6-【(5x+5)/6】*6=1*64x+4-5x-5=6-x=7x=-7