Solve the system: If a system has one unique solution, write the solution set. Otherwise, determine the number of solutions to the system, and determine whether the system is inconsistent or the equations are dependent:
6x - 3y + 7z = -7
x + 2y - Tz = -10
3x + 2y - 8z = -16
a. {(2,3,2)}
b. {(9,3,8)}
c. {(2,10,4)}
d. {(2,-4,-1)}