Solution - Long subtraction
17,000
Step-by-step explanation
1. Rewrite the numbers from top to bottom, aligned by their place values
| Place value | ten thousands | thousands | hundreds | tens | ones |
| 1 | 7 | 0 | 8 | 5 | |
| - | 8 | 5 | |||
2. Subtract the numbers using long subtraction method
Subtract the numbers in the ones column from the top number:
5-5=0
| Place value | ten thousands | thousands | hundreds | tens | ones |
| 1 | 7 | 0 | 8 | 5 | |
| - | 8 | 5 | |||
| 0 |
Subtract the numbers in the tens column from the top number:
8-8=0
| Place value | ten thousands | thousands | hundreds | tens | ones |
| 1 | 7 | 0 | 8 | 5 | |
| - | 8 | 5 | |||
| 0 | 0 |
Write 0 in the hundreds place.
| Place value | ten thousands | thousands | hundreds | tens | ones |
| 1 | 7 | 0 | 8 | 5 | |
| - | 8 | 5 | |||
| 0 | 0 | 0 |
Write 7 in the thousands place.
| Place value | ten thousands | thousands | hundreds | tens | ones |
| 1 | 7 | 0 | 8 | 5 | |
| - | 8 | 5 | |||
| 7 | 0 | 0 | 0 |
Write 1 in the ten thousands place.
| Place value | ten thousands | thousands | hundreds | tens | ones |
| 1 | 7 | 0 | 8 | 5 | |
| - | 8 | 5 | |||
| 1 | 7 | 0 | 0 | 0 |
The solution is: 17,000
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