500
Luis is finding 9-6+2. The way he solved is below. Find his mistake and corect it.
Luis: "Nine minus six plus two equals Nine Minus Eight. That equals One. THe answer is one"
What is Luis did not follow the order of operations correctly. Adding and Subtracting are coupled, and should be performed in the order they appear from left to right. The correct answer would be:
9-6+2
3+2
5