Question

When solving a system of equations by substitution, what is meant by a useless result (12=12)?. a.. parallel lines. c.. inconsistent system. b.. no solution. d.. dependent system.

Answer 1

This is a super old question but it might still help someone else. The answer is D, dependent system. I just took the test.

Explanation:

Answer 2

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.