✔ 最佳答案
4b-2(b-6)=5
4b-2b+12=5
2b=-7
b=-3.5
steps ended,just this simple ><
2013-10-14 14:08:32 補充:
oh,hi,Masterijk,I cant see you answering,sorry!!!
2013-10-14 14:40:55 補充:
what??? are U crazy???U dont need to do so......>
2013-10-14 16:30:16 補充:
haha,byebyelu,if you want to contact me,pls email me becuz today my commenting co tar is full....
2013-10-15 00:01:14 補充:
just kidding mah