Answers

2016-03-27T14:06:26+05:30
2/7  =  x/x
cross multiply
2x  =  7x
2x -7x = 0
 - 5x = 0
so, x = 0
0
2016-03-27T14:25:38+05:30
2/7  =  x/x
cross multiplying , we get

2x=7x

x=7x/2.
0