来自廖光灯的问题
11/9y+2/7=2/9y-5/71/2{x-1/2(x-1)}=2/3(x-1)2x-1/3=1+4x/5-1这些方程怎么解啊?要过程.11/9y+2/7=2/9y-5/71/2{x-1/2(x-1)}=2/3(x-1)2x-1/3=1+4x/5-1这些方程怎么解啊?要过程.谢谢谢谢-
11/9y+2/7=2/9y-5/71/2{x-1/2(x-1)}=2/3(x-1)2x-1/3=1+4x/5-1这些方程怎么解啊?要过程.
11/9y+2/7=2/9y-5/7
1/2{x-1/2(x-1)}=2/3(x-1)
2x-1/3=1+4x/5-1这些方程怎么解啊?要过程.
谢谢谢谢-
