Problem
5. Write an equation or inequality to represent "Five times the difference of a number $n$ and forty-two is ten more than twice the product of a number $x$ and a number $y$."
Solution
Step 1 ：Translate the statement into an equation: 5*(n - 42) = 2*(x*y) + 10
Step 2 ：The final answer is \(\boxed{5*(n - 42) = 2*(x*y) + 10}\)
