1/2x-4 - 3/8x =3/4x-8 - 1/3x. 速度谢谢了 两边乘以 8x ( x -2 ) 得 4x - 3x+6 = 6x - (8x-16) /3 x + 6 = 6x -(8x-16) /3 乘以3 3x + 18 = 18x - 8x + 16 2 = 7x x = 2/ 7
