3/4[2/3(1/2X-1/4)-8]=3/2X
两边乘以4/3:
2/3(1/2x-1/4)-8=2x
两边乘以3/2
1/2x-1/4-12=3x
两边乘以4
2x-1-48=12x
10x=-49
x=-4.9