-21-1=
What is -22 ?
A note on Internet safety: It probably would be wise if you did not post your name. Just a short name will do fine. Please discuss this with your parents.
To solve the expression -21 - 1, you need to subtract 1 from -21. Here's how you can do it:
Step 1: Start with the first number, -21.
Step 2: Subtract 1 from -21.
-21 - 1 = -22
Therefore, -21 - 1 equals -22.