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Subscribe to the platform: http://www.matematicario.com.br ???? Sign up for free to receive news: http://site.matematicario.com.br/dica... In this video we will discuss the classification and resolution of first-degree equation systems with 2 variables or unknowns, which are the systems that appear most often in the ENEM exam. Come with me! Important playlists (learn Math now!): ► Basic Math: https://goo.gl/xkjGJp ► High School Math: https://goo.gl/tdt2bo ► ENEM Math: https://goo.gl/j5WuIu ► Pre-Calculus Course: https://goo.gl/iQWIoi ► Calculus Course: https://goo.gl/0qZ3BP ► Math Curiosities: https://goo.gl/vogBWb Follow us on social media: ► Official Website: http://www.matematicario.com.br ► Facebook: / matematicario ► Instagram: / matematicario ► Twitter: / matematicario ► Snapchat: MatematicaRio Created by Professor Rafael Procopio: ► Postgraduate Lato Sensu in Mathematics Teaching (UFRJ) Matemática Rio is a channel with free and creative online math classes. Learn difficult subjects in a few minutes, in an uncomplicated way, and master Mathematics to take the ENEM, entrance exams and public exams. Come love Mathematics with us! Let's go together. You are not alone, I'm with you. See you in the next video!