#### foxsboris.naumov1994

##### New member

- Joined
- Feb 15, 2017

- Messages
- 2

Conditions such that x+by=-1, 2ax+2y=5 has exactly 1 soln

The answers is b) ab≠1, but I have no clue how to get to that answer... Can someone help me?

The answers is b) ab≠1, but I have no clue how to get to that answer... Can someone help me?

Last edited by a moderator: