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-7z=-10

-3x+2y-8z=-16

a.{(2,3,2)}

b.{(9,3,8)}

c.{(2,10,4)}

d.{(2,-4,-1)}