If you mean arithmetic: 2 - 3 = -1.
Why: subtracting is adding the opposite. So 2 - 3 = 2 + (-3) = -1. On a number line, you start at 2 and move 3 units left to -1.
A few quick practice examples:
- 7 - 5 = 2
- 3 - 8 = -5
- -4 - 6 = -10
- -2 - (-5) = 3
If you were referencing section 2.3 of a textbook, please share the problem statement and I’ll help with that specifically. Want a quick mini-worksheet or a reminder of subtraction rules for integers, fractions, or decimals?