Let's solve the equation step by step. The equation as written seems to have a syntax issue, but based on the context, I believe it should be:
\[ k - 2 = -10 \]
Step 1: Add 2 to both sides of the equation.
\[ k - 2 + 2 = -10 + 2 \] \[ k = -8 \]
Solution:
The correct answer is k = -8.