Does the system shown always, sometimes, or never have a solution when a=b? a\geq b? a

Question

Does the system shown always, sometimes, or never have a solution when a=b?
`a\geq b`? a

Answer 1

It always has a solution until you get to imaginary numbers.

Plug in a=b for a=2

2≥2 which is true! so it will always have a solution.