Shermancd12
Shermancd12
07-09-2020
Mathematics
contestada
2x-2y+z=3 5y-z=-31 x+3y+2z=-21
Respuesta :
amandatanis0
amandatanis0
07-09-2020
Answer:
Step-by-step explanation:
{x,y,z}={−5,−6,1}
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