2[4\3-(2\3x-1\2)]=3\4x

问题描述:

2[4\3-(2\3x-1\2)]=3\4x

2[3/4-(3/2x-1/2)]=3/4x
2[3/4-3/2x+1/2]=3/4x
3/2-6/2x+1=3/4x
3x-3/4x=-1/2
9/4x=-1/2
x=-1/2*4/9
x=-2/9