Answers

2014-08-06T10:50:10+08:00
3x-11x-1=3x

11x-1=3x-3x
11x=1
x=1/11
0
2014-08-06T15:20:33+08:00
3x-11x-1=3x

11x-1=3x-3x
11x=1
x=1/11
0