(2x-1)/3-(10x+1)/6=(2x+1)/4+1
(x-9)/11-(x+2)/3=x-1-(x-2)/2
2[4/3x-(2/3x-1/2)]=3/4x
(1-x)/0.2-2x-3/0.7=2/3(1-(1+2x)/1.4)
1/2[x-1/2(x-1)]=2/3(9x-1)
(30x-15)/0.2+8x=(0.2x-0.1)/0.09+6
(3+x)(3-2X3)+3=20-38
5(x-3)+2x=4x+9
2（x-2）-3（4x-1）=8（x+4）
x/2+3x/2=7
应该可以吼~