DESARROLLAR: 1. Resolver:
2x + 3y + 32 = 25;
3x +2y+z= 23;
x+y +22=12 2.
Resolver:
a+b+c=6 ;
4a-zb+2c= 6;
4a-b-c=4
3. Resolver
x-zy - 2 = 0 ;
z+y+ 1.5x = 1/2 ;
3y + 6x + 32 = 3
4. Resolver:
= 15;
-22 + 6y + 2x = 10;
-y + 2x + 4z = 14 4x-y+ 3z
5. Hallar el valor de a, byc si: (2,3,-4) de:
ax- bz + cy = 9 by +11+cz = -ax ;
az + 19 + bx = cy;​