Start by multiplying 3 to both values in the parenthesis.
3(8n - 1) - 17n > 8n(3) - 1(3) - 17n > 24n - 3 - 17n
Next, combine like terms.
24n - 3 - 17n > 24n - 17n - 3 > 24n - 17n - 3 > 7n - 3
Because of the variable, n, you cannot simplify any further. This means your final answer is 7n - 3 :)