Select the correct answer. A
(12x + y + z = 26
x-11y = 17
x - y + 4z =23
B
4x + y + z = 23
x-11y = 17
x - y + 12z = 26
с
(x + y + z = 4
x-y=11
x - y + z = 12
( x + y + z = 12
x - y = 11
x-y + z = 4
which linear system has this matrix of constants? '[[12].[11],[41]