Question

-10y+9x= -9
10y +5x=-5

Answer 1

Respuesta:

y=0 ; x=-1

Explicación paso a paso:

-10y + 9x = -9

10y + 5x = -5

10(-$\frac{-9-9x}{10}$) + 5x = -5

9+14x = -5

y= - $\frac{-9-9(-1)}{10}$

Y= 0 X= -1