How do you simplify #-|-33|#?
Keep in mind that the absolute value brackets only affect the value inside of them - it has no effect on what happens outside of them.
The value within an absolute value bracket is forced to be positive.
The value inside the absolute value brackets is
We can now remove the absolute value - we've made the value positive. When we remove the brackets in this question, there is a negative sign outside of the brackets:
And this is the final answer. The absolute value brackets only ensure that the value inside of them is positive - it doesn't affect what happens outside of the brackets.