Solution - Long subtraction
8,710
Step-by-step explanation
1. Rewrite the numbers from top to bottom, aligned by their place values
| Place value | thousands | hundreds | tens | ones |
| 8 | 7 | 5 | 8 | |
| 3 | 0 | |||
| - | 1 | 8 | ||
2. Subtract the numbers using long subtraction method
Subtract the numbers in the ones column from the top number:
8-0-8=0
| Place value | thousands | hundreds | tens | ones |
| 8 | 7 | 5 | 8 | |
| 3 | 0 | |||
| - | 1 | 8 | ||
| 0 |
Subtract the numbers in the tens column from the top number:
5-3-1=1
| Place value | thousands | hundreds | tens | ones |
| 8 | 7 | 5 | 8 | |
| 3 | 0 | |||
| - | 1 | 8 | ||
| 1 | 0 |
Write 7 in the hundreds place.
| Place value | thousands | hundreds | tens | ones |
| 8 | 7 | 5 | 8 | |
| 3 | 0 | |||
| - | 1 | 8 | ||
| 7 | 1 | 0 |
Write 8 in the thousands place.
| Place value | thousands | hundreds | tens | ones |
| 8 | 7 | 5 | 8 | |
| 3 | 0 | |||
| - | 1 | 8 | ||
| 8 | 7 | 1 | 0 |
The solution is: 8,710
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