1. The problem is to evaluate the expression $11 - 11 - 25$. 2. According to the order of operations, subtraction is performed from left to right. 3. First, calculate $11 - 11$: $$11 - 11 = 0$$ 4. Next, subtract 25 from the result: $$0 - 25 = -25$$ 5. Therefore, the value of the expression $11 - 11 - 25$ is $-25$.