Respuesta :

[tex]\sf {Hello!}[/tex]

A pair of simultaneous equations have no solution when they have the same slope but different y-axis.

[tex]\sf For[/tex] [tex]\sf instance[/tex], [tex]\mathrm{a_1/a_2 = (b_1/b_2) \neq (c_1 / c_2)}[/tex]