(2x+19)/(5x²-5）-17/(x²-1）-3/(1-x)=0计算

(2x+19)/(5x²-5）-17/(x²-1）-3/(1-x)=0计算
(2x+19)/(5x²-5）-17/(x²-1）-3/(1-x)=0计算

(2x+19)/(5x²-5）-17/(x²-1）-3/(1-x)=0计算
原方程两边同乘以5(x²-1)可得：
2x+19 - 17*5+ 3*5(x+1)=0
2x+19-85 +15x+15=0
17x=51
解得：x=3