2x/（2x+5）- 5/(5x-2)=1
2x(5x-2)-5(2x+5)=(2x+5)(5x-2)
10x^2-4x-10x-25=10x^2+21x-10
21x+14x=-25+10
35x=-15
x=-3/7
2x/2x+5+5/5x-2=1.这道题该怎么算
2x/（2x+5）- 5/(5x-2)=1
2x(5x-2)-5(2x+5)=(2x+5)(5x-2)
10x^2-4x-10x-25=10x^2+21x-10
21x+14x=-25+10
35x=-15
x=-3/7