解方程x-12分之2x+1=1-4分之3x-2

x-12分之2x+1=1-4分之3x-2 两边乘12
12x-2x-1=12-9x+6
10x-1=18-9x
10x+9x=18+1
19x=19
x=1
1/2[x-1/2(x-1)]=2/3(x-1)
1/2x-1/4x+1/2=2/3x-2/3
1/4x+1/2=2/3x-2/3
2/3x-1/4x=1/2+2/3
5/12x=7/6
x=7/6÷5/12
x=7/10