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➤ FIRST-DEGREE EQUATION SYSTEMS: Addition and Substitution Method Basic Mathematics - Lesson 15 Hello everyone, how are you?! Let's go to another lesson on the subject of basic mathematics. In it, we will learn how to solve first-degree systems of equations. A system like this arises when we have, for example, two equations and two unknowns. To solve it, we will use the addition method or the substitution method. We will also do some examples so that you do not have any doubts about the subject. Hug and have a good class ???? #1stdegreeEquationSystems #MathClass #BasicMath #ENEMMath #UniversityMath ???? Discover our FREE COURSES here: https://curso-gratuito.professorferre... ➡️ Speed up your approval with Professor Ferretto's Platform: https://www.professorferretto.com.br/... ???? Playlists to help you become a Math Expert ► Basic Math 2019 (New Classes): • Basic Math - 2024 (Complete Course... ► Basic Math (Complete Course): • Basic Math (Complete Course) ► High School, ENEM and University Entrance Exam: • Classes: high school, ENEM and university entrance exam ► Ferretto Resolve (Solved Questions): • Ferretto Resolve