Answers

2014-03-12T12:59:24+05:30
1x+3x=12
4x=12
x=12/4
 =3

1x=3
3x=9
0
2014-03-12T13:00:46+05:30
A+b=12
a/b=1/3
3a=b
4a=12
a=3
b=9
0