Answers

2014-06-28T14:38:32+08:00
3+9x-20=8+3  =  3-11-8=3
1 5 1
2014-06-28T14:41:05+08:00
X=20
3+9(20)-20=8(20)+3
163=163
0
or these 2/5x+3/2=
or these 2/5x+3/2=1/5x+4/5 asap