Respuesta :
When solving a system of equations by substitution, meant by a useless result of (12=12) is no solution. The answer is letter B, the equation has no solution because it can have infinite solution. I hope the answer helps, thank you for posting your question here.
Answer:
This is a super old question but it might still help someone else. The answer is D, dependent system. I just took the test.
Step-by-step explanation: