Solve the system of equations.
4x + 3y + z = 3
5x + 5y +62 = 5
6x + 3y + z = 3
a. (x = 1, y = 0,2=-1)
b. (2= -1, y = 2,2 = 1)
c. (x = 0, y = 1,2=0)
d. (x = 2, y = -1,2 = 2)