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

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