Question

Sistema de ecuaciones
3x+2y=13
5x +3y = 9

Answer 1

{3x+2y=13

{5x+3y=9

x=12/3 - 2/3 y

5x+3y=9

5(13/3 - 2/3 y )+3y=9

y=38

x=13/3 - 2/3x38

x= -21

(x,y)=(21,38)

{3x(-21)+2x38=13

{5x(-21)+3x38=9

13=13

9=9

Respuesta=

(x,y)=(21,38)