I might be wrong but I think it is 50 .
The relation of t as in to what?
<span>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. </span>
The equation that is equivalent to 15-7x=14 is x=7
I think it’s C if it’s wrong lmk and i can fix it
