mmik9788 mmik9788
  • 09-11-2021
  • Mathematics
contestada

{4z=8}
{3x-2z=11}
{x-4y+z=11}

Respuesta :

syahbanazacki
syahbanazacki syahbanazacki
  • 10-11-2021

Step-by-step explanation:

4z = 8

z = 8/4

z = 2

3x - 2z = 11

3x - 2.2 = 11

3x - 4 = 11

3x = 11 + 4

3x = 15

x = 15/3

x = 5

x - 4y + z = 11

5 - 4y + 2 = 11

-4y = 11 - 5 - 2

-4y = 4

y = 4/-4

y = -1

Solution → {x,y,z} = {5,-1,2}

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