Which number is missing? – Math Puzzle

In this math video I (Susanne) explain how to solve a math competition problem by turning it into a system of equations and solving it step by step. You’ll learn how to translate a problem into equations and solve the system efficiently. Perfect for students preparing for math contests, exams, or advanced algebra. Mathematics explained. 00:00 Intro – Math Puzzle 1:18 Solution 1 5:58 Solution 2 7:21 See you later! My German Math Channel: ​⁠ ‪@MathemaTrick‬ Find me on Instagram:   / mathema_trick   Buy Me a Cup of Hot Chocolate? ☕🍫 Creating these math tutorials takes a lot of brainpower and a warm cup of hot chocolate always helps! If you'd like to support my work and keep the tutorials coming, consider treating me to a virtual cup. 👉 https://paypal.me/TheMathQueen Thank you so much for your kindness! It means the world to me! #puzzle #competition #maths