TroubledKid TroubledKid

29-06-2019
Mathematics

contestada

5x + 1y + 4z=-1
4x + 6y +9z= -68
9x + 1y + 4z = 27
Select one:
(7,-4, -8)
(-4,-8, 7)
(-8, -7, -4)
(-7,4, -8)
(-7, -4, -8)

Respuesta :

BasketballEinstein BasketballEinstein

01-07-2019

Answer:

[7, -4, -8]

Step-by-step explanation:

Just simply plug in each choice into the equations to confirm their authenticities.

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