Question

Maria solved the equation -5 n = -9. Her answer was n = 1. 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) = -10 -5(2) = -9 -5(2) = -10

Answer 1

Hello!

Your answer is -5(-2) = -10

(i think)

Answer 2

dont u mean her answer was n = 2

because the estimation would be : -5(2) = -10