For #2 my book says the answer is -1. why and how?? 1.) 5x + 5y 5x - 5y 2.) 5x - 5y 5y - 5x
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Originally Posted by benjixbunn For #2 my book says the answer is -1. why and how?? 2.) 5x - 5y 5y - 5x Because .
Originally Posted by benjixbunn For #2 my book says the answer is -1. why and how?? 1.) 5x + 5y 5x - 5y 2.) 5x - 5y 5y - 5x Tonio
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