2/3[2/3(1/4x-1)+2]-5/2=2/3x3/2[2/3(1/4x-1)+2]-5/2=2/3x

问题描述:

2/3[2/3(1/4x-1)+2]-5/2=2/3x
3/2[2/3(1/4x-1)+2]-5/2=2/3x