dhielmanuel dhielmanuel
  • 14-10-2020
  • Mathematics
contestada

Solve this system:

2x+5y+z=3
x-3y+2z=2
-x+2y-3z=-7

Respuesta :

Leora03
Leora03 Leora03
  • 14-10-2020

Answer:

x= -3

y= 1

z= 4

Step-by-step explanation:

Please see the attached pictures for the full solution.

*I evaluated the determinants using Sarrus' rule (see last picture):

∆= aei +bfg +cdh -gec -hfa -idb

*The symbol '∆' (delta) is usually used to denote a determinant.

Ver imagen Leora03
Ver imagen Leora03
Ver imagen Leora03
Ver imagen Leora03
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