Solve the Addition Equation: 8446 + 19

To solve this problem, we'll follow these steps:

• Step 1: Identify the numbers to be added: 8446 and 19.
• Step 2: Use direct addition:
  First, add 10 to 8446:
  8446 + 10 = 8456.
  Next, add the remaining 9:
  8456 + 9 = 8465.

Therefore, the solution to the problem is $8465$.