x-1/3x=6 2/3x=6 x=9本题已解答,满意请点击采纳答案
x-1/3x=6解:2/3x=6 2/3 x÷2/3=6÷2/3 x=9
2/3X=6X=6×3/2=9
x-1/3x=6=2/3x=6=x=6X3/2=9