Xn = (7n - 5)/(n + 2)

To simplify this expression, we first need to expand the numerator by distributing the 7 to n and -5:

Xn = (7n - 5)/(n + 2)
Xn = (7n - 5)/n + (7n - 5)/2

Now, we can simplify the expression by dividing each term by n:
Xn = 7 - 5/n + 7 - 5/2

Therefore, the simplified expression for Xn is:
Xn = 7 - 5/n + 7 - 5/2