Subtract.

5-(-6)

5 - (-6) = 5 + 6 = 11

To subtract 5 from -6, you can follow these steps:

Step 1: Negate the number being subtracted.
-6 x -1 = 6

Step 2: Add the negated number to the other number.
5 + 6 = 11

Therefore, 5 - (-6) = 11.