1. **State the problem:** Melvin wants to withdraw 65 from his bank account, which currently has 80. 2. **Identify the operation:** Withdrawing money means subtracting the amount withdrawn from the current balance. 3. **Write the expression:** The new balance can be represented as $80 - 65$. 4. **Calculate the new balance:** $$80 - 65 = 15$$ 5. **Interpret the result:** The integer 15 represents Melvin's new account balance after the withdrawal. **Final answer:** The integer that shows the new account balance is $15$.