Solve the following system of equations using Gaussian or Gauss-Jordan elimination - 15x - 3y = - 60 6x + y = 25 Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. There is only solution. The solution to the system of equations is (Simplify your answer. Type an ordered pair.) OB. There are infinitely many solutions of the form (x ) (Type an expression using x as the variable.). O c. There is no solution.