1/3y+2/3-1/6y=2解:1/3y+2/3-1/6y=22y+4-y=12 y=8
1/3y+2/3-1/6y=22/6y+2/3-1/6y=21/6=2-2/31/6=4/3y=8
解:方程左右同乘以6y得出:2+4y-1=12y合并同类项得出:8y=1 ∴y=1/8