Question

Resolver:
x+y+z=8
2x-3y+2z=26
x-y-3z=-12

Answer 1

Resolver:

x+y+z=8

2x-3y+2z=26

x-y-3z=-12

• $x+y+z=8\quad :\quad x=8-y-z$
• $2x-3y+2z=26\quad :\quad x=\frac{26+3y-2z}{2}$
• $\:x-y-3z=-12\quad :\quad x=-12+y+3z$

Espero ayudar✨