Solution - Long subtraction
3,219
Step-by-step explanation
1. Rewrite the numbers from top to bottom, aligned by their place values
| Place value | thousands | hundreds | tens | ones |
| 3 | 2 | 2 | 3 | |
| - | 4 | |||
2. Subtract the numbers using long subtraction method
Because the upper digit (3) in the ones column is too small to get a positive difference, borrow 1 from the digit (2) in the next number place which becomes (1) and get (13).
| Place value | thousands | hundreds | tens | ones |
| 1 | 13 | |||
| 3 | 2 | 2 | 3 | |
| - | 4 | |||
Subtract the numbers in the ones column from the top number:
13-4=9
| Place value | thousands | hundreds | tens | ones |
| 1 | 13 | |||
| 3 | 2 | 2 | 3 | |
| - | 4 | |||
| 9 |
Write 1 in the tens place.
| Place value | thousands | hundreds | tens | ones |
| 1 | 13 | |||
| 3 | 2 | 2 | 3 | |
| - | 4 | |||
| 1 | 9 |
Write 2 in the hundreds place.
| Place value | thousands | hundreds | tens | ones |
| 1 | 13 | |||
| 3 | 2 | 2 | 3 | |
| - | 4 | |||
| 2 | 1 | 9 |
Write 3 in the thousands place.
| Place value | thousands | hundreds | tens | ones |
| 1 | 13 | |||
| 3 | 2 | 2 | 3 | |
| - | 4 | |||
| 3 | 2 | 1 | 9 |
The solution is: 3,219
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