Question

2x + 3y + 4z= 3
2x + 6y + 8z=5
4x + 9y - 4z=4
metodo de determinantes

Answer 1

2x+3y+4z=3

2x=3-3y-4z

x=3/2-3/2y-2z

=3/2-3/2y-2z,y€|R,z€|R

2x+6y+8z=5

2x=5-6y-8z

x=5/2-3y-4z

x=5/2-3y-4z,y€|R,z€|R

4x+9y-4z=4

4x=4-9y+4z

x=1-9/4y+z

x=1 9/4Y+z,y€|R,z€|R

Saludo Ricardo