2×3/2×x/4-½-3-6=3x
3x/4-19/2=3x
3x-38=12x
9x=-38
x=-38/9
2×3/2×1/4×（x-½）-3-6=3x
3x/4-3/8-9=3x
6x-3-72=24x
18x=-75
x=-25/62［3/2(1/4-1/2)-3］-6=3x1/4x吧，
2［3/2(1/4x-1/2)-3］-6=3x

3x/8-3/4-3-3=3x/2
3x-6-48=12x
9x=-54
x=-6