Question

Sistema de ecuaciones de 3 incógnitas
X+y+z = 6
X-y+2z = 5
x-y-3z = -10

Answer 1

Respuesta:

x+y+z=6

x+z=6-y

x=6-y-z

x-y+2z=5

x+2z=5+y

x=5+y-2z

x-y-32=-10

x-32=-10+y

x=-10+y+32

x=22+y