Question

Método de Cramer: 0x + 5y = 8 5x + 0y = -1

Answer 1

Respuesta:

0x+5y=85x+0y=-1

{0x+5y=-1

{85x+0y=-1

___________

{y=-1/5

{85x+0y=-1

__________

85x+0*(-1/5)=-1

x=-1/85

(x,y)=(-1/85,-1/5)

0*(-1/85)+5*(1/5)=85*(-1/85)+0*(-1/5)=-1

-1=-1=-1

=          (x,y)=(-1/85,-1/5)