Nia solved the equation - 1.98 = 5.2v + 13.1. Her answer was v = - 2.9. She is fairly confident about her answer, but wants to do a quick check of her solution using estimation to make sure her answer is reasonable.
Which of the following shows a good check of her answer?
-2 = 5 (-3) + 13
-3 = 5 (-2) + 13
-1 = 5 (-2) + 13
-2 = 5 (-2) + 13
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