2(1/x+2 -1/x+3)+3/5(1/x-2 - 1/x+3)=1/x-2 -1/x+2
3/x+2 -(2+3/5)* 1/x+3 +(3/5-1)* 1/x-2=0
15/x+2 - 13/x+3 - 2/x-2=0
15(x+3)(x-2)-13(x+2)(x-2)-2(x+2)(x+3)=0
15(x²+x-6)-13(x²-4)-2(x²+5x+6)=0
5x=50
x=10我学习一下再说好 写的过程中要是有看不明白的尽管说