I don't exactly get what your supposed to do but I thought it like this:
T V
3000 0
3000 4000
5000 4000
5000 8000
the last two are the final answers on how long the ran or it could be Terrel ran 5 kilometers while Victor ran 8 kilometers, but still idk what exactly your supposed to put
I think you should combine like terms
Answer: Option 2
Step-by-step explanation:

Divide 15 by 3 and substract the variables's exponents.

Solve;

or

Answer:
X=1
Step-by-step explanation:
isolate the variable by dividing each side by 5