MatemáticasBásico1 respuestas

3p - 2q = - 52p + q = - 1 igualacion?

3p - 2q = - 5 2p + q = - 1 igualacion.

En resumen

<img src="https://tex.z-dn.net/?f=3p-2q%3D-5" /> <img src="https://tex.z-dn.net/?f=2p%2Bq%3D-1" /> Despejamos q en ambas ecuaciones : <img src="https://tex.z-dn.net/?f=3p-2q%3D-5" /> <img src="https://tex.z-dn.net/?f=-2q%3D-5-3p" /> <img src="https://tex.z-dn.net/?

Mejor respuesta

1

<img src="https://tex.z-dn.net/?f=3p-2q%3D-5" />

<img src="https://tex.z-dn.net/?f=2p%2Bq%3D-1" />

Despejamos q en ambas ecuaciones :

<img src="https://tex.z-dn.net/?f=3p-2q%3D-5" />

<img src="https://tex.z-dn.net/?f=-2q%3D-5-3p" />

<img src="https://tex.z-dn.net/?f=2q%3D3p%2B5" />

<img src="https://tex.z-dn.net/?f=q%3D%5Cfrac%7B3p%2B5%20%7D%7B2%7D%20" />

<img src="https://tex.z-dn.net/?f=2p%2Bq%3D-1" />

<img src="https://tex.z-dn.net/?f=q%3D-1-2p" />

y ahora igualamos

<img src="https://tex.z-dn.net/?f=%5Cfrac%7B3p%2B5%20%7D%7B2%7D%3D-1-2p" />

<img src="https://tex.z-dn.net/?f=3p%2B5%3D-2-4p" />

[img = 10]

[img = 11]

[img = 12]

Y si [img = 13] , simplemente reemplazamos :

[img = 14]

[img = 15]

[img = 16]

[img = 17]

P es - 1 y Q es - 1.