Maria solved the equation -5 x 7/8n = -12 x 1/4. Her answer was n = 2 x 4/47. 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? -6(2) = -12 -5(-2) = -12 -6(3) = -13 -6(2) = -13