Raven solved the equation -4 1/8n = 7 3/4. Her answer was n = -1 29/33. She is fairly confident about her answer, but wants to do a quick check of her solution using estimation. Which of the following shows a good check of her answer?
1) -5(-2) = 8
2) -4(-2) = 8
3) -4(-1) = 7
4) -5(-1) = 7