2[4/3x-(2/3x-1/山氏2)]=3/4x两败唯蔽边乘以122[16x-(8x-6)]=9x2[8x+6]=9x16x+12=9x7x=-12x=-12/察州7
2(4/悉配清3x-2/3x+1/卖带2)=3/4x 4/3x+1=3/4x 7/睁前16x=1 x=16/7
