What is the missing reasons in the proof? prove y - x) - x = y statements || || reasons || - (y - x) - x = y + x - x > opposite of sum property y + x - x = y + x + (-> y + x + (-x) = y + [x + (-> associative property of addition y + [x + ( -x)] = y + > additive inverse property y + 0 = > additive identity property

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step-by-step explanation:

answer: c.  

step-by-step explanation:

mixtures containing substances that get attracted to magnet can be separated using a magnet. we can separate iron from a mixture of sand and iron, as only iron attracts to the magnet.