解方程(2)(5x-4)/(2x-4)-1/2=(2x-5)/(3x+6)
问题描述：
解方程(2)(5x-4)/(2x-4)-1/2=(2x-5)/(3x+6)
答
(5x-4)/[2(x-2)]-1/2=(2x-5)/[3(x+2)][5x-4-(x-2)]/[2(x-2)]=(2x-5)/[3(x+2)][4x-2]/[2(x-2)]=(2x-5)/[3(x+2)][2x-1]/(x-2)=(2x-5)/[3(x+2)]二边同乘 3(x-2)(x+2)3(x+2)(2x-1)=(2x-5)(x-2)3(2x²+3x-2)=2x²...