如果题目是：x - (x-1)/3 = 1 - (x+3)/5方程两边同时乘以15得：15x - 5(x-1) = 15 - 3(x+3)去括号得：15x - 5x + 5 = 15 - 3x -9移项得：15x + 3x - 5x = 15 - 9 - 5合并同类项得：13x = 1∴x = 1/13
