April 2021 0 36 Report
U10)D) MODULU%201-%20ECUACIÓN9620D B. Resuelve los siguientes sistemas de ecuaciones, aplicando el método por
determinantes.
(x + y +z = 11
1) * - y + 3z = 13
(2x +2y-z=7
23
3x - 2y
%3D-1
2) 4x +z= -28
(x + 2y + 3z = -43
R:x = 2; y = 4;z = 5
R: x = -5; y = -7;z = -8
3x - 5y + 2z = -22
3) 2x - y + z = 32
(8x + 3y - 5z = -33
& 3x - 2y =0
3y - 4z = 25
2 - 5x = -14
R:* = -2; y = 6;z = 7
у
7x + 10y + 4z %3D-2
5) 5x - 2y + 6z = 38
3x + y - z = 21
= 21
*1* +
WIN
wleale +
11
alNWIN
R: x = 8; y = -5; z = -2
=
R: x = 30; y = 12; z = 24​

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