Evaluate 100-12

Math
100-12
Subtract using long subtraction.
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Set up the subtraction problem in long subtraction format.
100
12
Borrow 10 from the digit in the next column to the left. Add the borrowed 10 to 0. Reduce the number that was borrowed from by 1.
-110
100
12
Subtract 2 from 10.
-110
100
12
8
Borrow 10 from the digit in the next column to the left. Add the borrowed 10 to -1. Reduce the number that was borrowed from by 1.
0910
100
12
8
Subtract 1 from 9.
0910
100
12
88
Subtract 0 from 0.
0910
100
12
088
0910
100
12
088
The result of 100-12 is 88.
88
Evaluate 100-12

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