The image shows an incomplete addition problem, where some digits are missing. The sum of two numbers should equal 2193, with one of the addends being 843 and parts of the other number missing (7 _ 6). Here's how to solve it:

1. We know the sum is 2193.
2. The second number's hundreds and tens digits are missing, while the ones digit is 6.

Let's break it down column by column:

Ones place:

• 3 + 6 = 9 (correct).

Tens place:

• There's a missing digit and 4. From the sum, we know that a number added to 4 should result in 9. So, the missing number in the tens place is 5 (because 5 + 4 = 9).

Hundreds place:

• There's a missing digit plus 8, resulting in a 1, but remember that 1 comes from a carryover. So, we need to add 8 + 1 (carry) = 9. This means the missing number in the hundreds place is 1 (because 1 + 8 + 1 = 10, and we carry 1 to the thousands).

Final answer:

• The missing number is 156. So, the complete addition is: