Which system of equations has a solution of (1, 2, 3)?.
O A.
OB.
O C.
-22
-
2z = -8
= 7
-3
y + 3z
2 + y - 3z
=
x+y = 3
y-z = 1
z+y-z = 0
x + y + 2z = 9
2x + 2y + 3z
= 15
2-z
-2
OD. -3x + 2y + z
* = y + 2z
2-y-z
-11
=
= 4
5
-2
=
=
сл