There is a problem with your question. it doesn't make sense ???
Some symbols are missing. I'm assuming you meant to put in a horseshoe symbol like so

If so, then the contrapositive of that would be

which is the final answer.
The tilde sign

means "not" so writing

means "not q" which is the complete opposite of q.
Answer:
y=-1/2x-3
Step-by-step explanation:
sorry if wrong form, there are like 6, but that is correct if in the right form