两边乘以(x+1)(x-1)得
-1=-3(x+1)+5(x-1)
-1=-3x-3+5x-5
-2x=-9
x=9/2谢拉！！不过、、你能吧检验也写出来嘛？？应该不需要写检验的 检验：x=9/2时左边=1/(1-81/4)=-4/77右边=-3/(9/2-1)+5/(9/2+1)=6/7-10/11=(66-70)/77=-4/77∵左边=右边∴x=9/2是方程的解
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