Question

-13y +11x=-163
-8x+ 7y=94 metodo sustitucion​

Answer 1

Método: Sustitución

{-13y + 11x = -163

{-8x + 7y = 94

{-13y + 11x = -163

{y = 94/7 + 8/7 × x

Para x...

-13(94/7 + 8/7 × x) + 11x = -163

-1222/7 - 104/7 × x + 11x = -163

-1222/7 - 27/7 × x = -163

-1222 - 27x = -1141

-27x = -1141 + 1222

-27x = 81

x = -3

Para y...

y = 94/7 + 8/7 × (-3)

y = 94/7 - 8/7 × 3

y = 97/7 - 24/7

y = 10

(x, y) = (-3, 10)

Besitos OvO