Which of the following best describes the solution to the system of equations below?

7x + 4y = 8
7x + 4y = 13
a.
the system of equations has exactly one solution where x=8 and y=13 .

b.
the system of equations has infinitely many solutions.

c.
the system of equations has no solution.

d.
the system of equations has exactly one solution where x=0 and y=2 .