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Link to the previous video called What are the properties of real numbers? • Video In this video I will show you the logic to understand the idea of subtraction, we will also study the subtraction of negative numbers to avoid confusion with the law of signs in multiplication. 00:00 Intro 00:35 What is the opposite or inverse of a number? 02:56 What is subtraction? 04:53 What is dividing? Bibliography STEWART , J. (Ed.). (2007). PRECALCULUS MATHEMATICS FOR CALCULUS. THOMSON. SWOKOWSKI, E. (2009). ALGEBRA AND TRIGONOMETRY WITH ANALYTIC GEOMETRY. CENGAGE LEARNING. SUBSCRIBE TO MY CHANNEL: / @momentocinetico -- HERE YOU CAN FIND ME Instagram : / momentocinetico