5/6X=4/5x+18 两边乘3025x=24x+54025x-24x=540x=540
解:5/6x=4/5+90/5 5/6x=94/5 x=94/5*6/5 x=94/25
5/6x=4/5+90/55/6x=94/5 x=564/25