Résoudre une équation avec une fraction (facilement)

In this video, we solve an equation with a fraction step by step. We're working with: (2x + 1) / 3 = 5 Many students get stuck as soon as there's a fraction in an equation. In this video, I show how to solve this type of exercise calmly, without skipping steps or getting confused. We start with the classic method learned in school, and then at the end, I show a faster method used by more advanced students. In this video, you will learn: ✅ how to correctly eliminate a fraction ✅ why we multiply by 3 ✅ how to avoid mistakes with parentheses ✅ how to isolate x step by step ✅ a faster method to save time This video is useful if you're in high school, remedial classes, or if you want to reinforce your basics before tackling more difficult exercises. 🚀 Are you preparing for the Polytech entrance exam? At PolyPrépa, we offer: comprehensive training in analysis, trigonometry, algebra, and geometry practice exercises with solutions clear teaching methods an intensive course with support right up to the exam 📘 PolyPrépa Platform: https://www.skool.com/poly-prepa-1714... 📸 Instagram:   / polyprepa.pro   🎵 TikTok:   / polyprepa   #maths #equation #fractions #algebra #polyprepa