SOLUTION: 9+5x+(-9)=17+(-9) What propert or principle is demonstrated in this situation?

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Question 182912: 9+5x+(-9)=17+(-9)
What propert or principle is demonstrated in this situation?

Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!
The Addition Property of Equality is being demonstrated in this problem.