Question

(5x+4y= -1
2×+y=0
:v es para hoy >-<​

Answer 1

5x + 4y = -1

$2x + y = 0$

$y = - 2x$

Reemplazamos:

$5x + 4( - 2x ) = - 1$

5x -8x = -1

-3x= -1

x= 1/3