Use the determinant of the coefficient matrix to determine which of the following linear systems have
unique solutions.
0 x+ 3y = 4
3.x - y = 5
x+2y – z = 8
x-y+22=0
2x - 3y + z = 1
o
x + 3y + z = 4
2x+6y + 2z = 5
x+ y + z = 0
done