MatemáticasBásico1 respuestas

Ayuda6x - 5y = 94x + 3y = 13Por favor?

Ayuda 6x - 5y = 9 4x + 3y = 13 Por favor.

En resumen

6x - 5y = 9 . I (3) 4x + 3y = 13 . II (5) 18x - 15y = 27 20x + 15y = 65 ''''''''''''''''''''''''''''''''''''' 38x = 92 x = 92 / 38 x = 46 / 19 . III III en I 6x - 5y = 9 <img src="https://tex.z-dn.net/?

Mejor respuesta

Alejul1918
1

6x - 5y = 9 .

I (3)

4x + 3y = 13 .

II (5)

18x - 15y = 27

20x + 15y = 65

'''''''''''''''''''''''''''''''''''''

38x = 92 x = 92 / 38 x = 46 / 19 .

III

III en I

6x - 5y = 9

<img src="https://tex.z-dn.net/?f=6%28%20%5Cfrac%7B46%7D%7B19%7D%20%29-5y%20%3D%209" />

<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B46%7D%7B19%7D-%209%3D%205y" />

<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B414-9%7D%7B19%7D%20%3D%205y" />

<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B405%7D%7B19%7D%20%3D%205y" />

<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B405%7D%7B19.5%7D%20%3D%20y" />

<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B81%7D%7B9%7D%20%3D%20y" />

CS = (46 / 19 ; 81 / 9).