Life cycle of water ?

For which value of k, will the following pair of linear equations have no solutions ?For which value of k, will the following pair of linear equations have no solutions ?For which value of k, will the following pair of linear equations have no solutions ?For which value of k, will the following pair of linear equations have no solutions ?For which value of k, will the following pair of linear equations have no solutions ?For which value of k, will the following pair of linear equations have no solutions ?