ar865970 ar865970

10-06-2019
Mathematics

contestada

The following system has a solution of x=-5, y=9, z=11.
4x+y+z=12
-4x-y-z=-10
5y-z=9
Please select the best answer from the choices provided
T
F

Respuesta :

steph9155 steph9155

10-06-2019

False - plug in the bramble for the first equation and you get 40 = 12 which is not true

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