You would have to add a positive 6 to the negative 6 to get zero. Lets say you have -2 in order to get it to zero or just any positive number, you have to add a positive of the same value or higher to be able to get it there. I hope you understand that.
That's an expression, so the only thing you can do is simplify it, but that already looks simplified.
Answer:
Step-by-step explanation:
Yes!
If the traversal is perpendicular to the parallel lines.
