Cecil the acrobat has a new tight rope routine where he walks to the right 14 feet, performs a 5-foot backflip twice in a row, and cartwheels forward 8 feet. Where does Cecil’s routine end?

Astudent is solving a system of equations by substitution and comes up with the solution 3 = 3. assuming that he solved the problem correctly, which of the following can be said about this system of equations?