Mathematics, 11.06.2021 03:00 picklehead7272

Which system of equations corresponds to this matrix multiplication operation? 5 2 1
7 -5 2 XY
-5 3
16
3
12
ОА.
5x + 2x + x = 16; 7y-5y+ 2y = 3; -52 + 32 + z = 12
OB.
5x + 2y + z = 16; 7x - 5y + 2z = 3; -5x + 3y + z = 12
5x + 7y+ -5z = 16; 2x - 5y+ 3z = 3; x + 2y + z = 12
Ос.
OD
5x + 7y + -52= 12; 2x - 5y + 32= 3; X + 2y + z = 16

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