Si n es un número entero de dos dígitos, en que el dígito de las decenas es X
y el de las unidades es Y, el antecesor de n es:

After the experience with great britain having a monarchy, the united states realized that everyone needed to have a voice in the government. the fact that americans had no voice was the main reason for the war. thus, they created a democracy, where the people voted for their representatives and the government ruled with the consent of the people.

Lil