Jose is solving the linear equation 28 - 3x - 15 = -2x + 13 - x. His final two steps are
13 - 3x = -3x + 13
13 = 13

Select the statement that correctly interprets Jose's solution.
a. There are infinitely many solutions since 13 = 13 is a true statement.
b. The solution is the ordered pair (13, 13).
c. The solution is x = 0.
d. There is no solution since 13 = 13 is a true statement.