find the difference. -9-2

To find the difference between -9 and -2, you need to subtract -2 from -9.

Step 1: Subtract -2 from -9:
-9 - (-2)

Step 2: Simplify the expression by applying the rules of subtraction. When you subtract a negative number, you can rewrite it as addition.
-9 + 2

Step 3: Perform the addition:
-7

Therefore, the difference between -9 and -2 is -7.