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Algebra Examples
25-1825−18
Step 1
Step 1.1
Set up the subtraction problem in long subtraction format.
2 | 5 | |
- | 1 | 8 |
Step 1.2
Borrow 10 from the digit in the next column to the left. Add the borrowed 10 to 5. Reduce the number that was borrowed from by 1.
1 | 15 | |
2 | 5 | |
- | 1 | 8 |
Step 1.3
Subtract 8 from 15.
1 | 15 | |
2 | 5 | |
- | 1 | 8 |
7 |
Step 1.4
Subtract 1 from 1.
1 | 15 | |
2 | 5 | |
- | 1 | 8 |
0 | 7 |
1 | 15 | |
2 | 5 | |
- | 1 | 8 |
0 | 7 |
Step 2
The result of 25-18 is 7.
7