Question

Utilizar el metodo sustitucion: 5x -8y=2
-9x+19=-1.​

Answer 1

$\color{blue}\boxed{\colorbox{white}{ Método de sustitución }}$

5x - 8y = 2

-9 + 19y = 1

$x = \frac{2}{5} + \frac{8}{5} y \\ - 9x + 19y = 1$

$- 9( \frac{2}{5} + \frac{8}{5} y) + 19y = 1$

y = 1

$x = \frac{2}{5} + \frac{8}{5} \times 1$

x = 2

(x,y) = (2,1)