2/1-x+3=3/2x-2 2(2+x)=3+2-x/2+x
问题描述:
2/1-x+3=3/2x-2 2(2+x)=3+2-x/2+x
答
2/(1-x)+3=3/(2x-2)-2/(x-1)+3=3/2(x-1)3/2(x-1)+2/(x-1)-3=03/2(x-1)+4/2(x-1)-6(x-1)/2(x-1)=0[3+4-6(x-1)]/2(x-1)=0[7-6x+6]/2(x-1)=0(13-6x)/2(x-1)=0(x≠1)13-6x=0x=13/6经检验x=13/6是方程的解2(2+x)=3+(2-x)...