emmachadvick emmachadvick

27-03-2020
Mathematics

contestada

-x + 3y − z = -9
x − 2y + 2z = 8
2x − y + z = 7

Respuesta :

bulldogsavage4 bulldogsavage4

27-03-2020

Answer:

(x,y,z)=(2,-2,1)

Step-by-step explanation:

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