Ayudemen con esta ecuacion y su compraBAcion - 5y - 6y + 81 = 7y - 102 - 65y?

<img src="https://tex.z-dn.net/?f=-5y-6y%2B81%3D7y-102-65y" />

<img src="https://tex.z-dn.net/?f=-11y%2B81%3D-58y-102" />

<img src="https://tex.z-dn.net/?f=%5Cmathrm%7BRestar%5C%3A%7D81%5Cmathrm%7B%5C%3Ade%5C%3Aambos%5C%3Alados%7D%3A" />

<img src="https://tex.z-dn.net/?f=-11y%2B81-81%3D-58y-102-81" />

<img src="https://tex.z-dn.net/?f=-11y%3D-58y-183" />

<img src="https://tex.z-dn.net/?f=%5Cmathrm%7BSumar%5C%3A%7D58y%5Cmathrm%7B%5C%3Aa%5C%3Aambos%5C%3Alados%7D%3A" />

<img src="https://tex.z-dn.net/?f=-11y%2B58y%3D-58y-183%2B58y" />

<img src="https://tex.z-dn.net/?f=47y%3D-183" />

<img src="https://tex.z-dn.net/?f=%5Cmathrm%7BDividir%5C%3Aambos%5C%3Alados%5C%3Aentre%5C%3A%7D47%3A" />

<img src="https://tex.z-dn.net/?f=%5Cfrac%7B47y%7D%7B47%7D%3D%5Cfrac%7B-183%7D%7B47%7D" />

[img = 10]

[img = 11]

Comprobación :

Reemplazar el resultado de y en la ecuación

[img = 12]

[img = 13]

[img = 14]

Como la igualdad se cumple, el valor encontrado de la incógnita es verdadero.