Respuesta:
4x+3y+z=15
2x-2y+z=4
_________-
2x+5y=11 (1)
x-y-2z=2 |×1
2z-2y+z=4 |×2
x-y-2z=2
4z-4y+2z=8
_________+
5x-5y=10 (2
Explicación paso a paso:
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Respuesta:
4x+3y+z=15
2x-2y+z=4
_________-
2x+5y=11 (1)
x-y-2z=2 |×1
2z-2y+z=4 |×2
x-y-2z=2
4z-4y+2z=8
_________+
5x-5y=10 (2
Explicación paso a paso: