I dont know how to go about doing this, well i know how to find the conditions but the answer i come up with is in a different format than the input for the online assignment is heres the question

Find conditions that the b's must satisfy for the system to be consistent

(the actual system is in the attached file underneath)

and then the format for the answer is

b1=_____b2+______b3

(the 1, 2, and 3 are in subscript)