Mastering Linear Congruence: Step-by-Step Solutions to Commonly Seen Equations

🔍 In This Video:
- Background on Linear Congruence: Discover the foundational principles of linear congruence equations and why they're a cornerstone in modular arithmetic.

-Real-World Examples: Follow along as we solve a variety of linear congruence equations, from the simple to the complex, including cases where the greatest common divisor (GCD) plays a pivotal role.
- Euclidean Algorithm: Learn how to apply the Euclidean algorithm to find solutions efficiently.
- Practical Techniques: Gain practical strategies to tackle your own equations and enhance your problem-solving toolkit.

🛠️ Solved Equations:
- 256x ≡ 179 (mod 337)
- 20x ≡ 7 (mod 10) - No solution case
- 12x ≡ 16 (mod 20)
- 1296x ≡ 1125 (mod 1935) - Transition to a simpler equation

📚 Educational Value:
- Step-by-step walkthroughs of solutions.
- Clear explanations of complex concepts.
- Visual representations with pen-and-paper demonstrations.

00:00 Introduction to Linear Congruence Equations
00:33 Basic Theorem on Existence of Solutions
00:43 Special Case of (a, m) =1 Co-prime
01:07 Start of Problem Walk-Through
02:07 Solve 256x ≡ 179 (mod 337)
02:39 Walk-through of Euclidean Algorithm
06:34 Solution for 256x ≡ 179 (mod 337)
08:15 An Example of Non-existence Solution 20x ≡ 7 (mod 10)
09:00 Solve 12x ≡ 16 (mod 20)
11:19 Solve 1296x ≡ 1125 (mod 1935)
16:06 Review of the Steps



✅ By the end of this video, you will:
- Understand the concept of linear congruence and its applications.
- Be able to solve linear congruence equations using the Euclidean algorithm.
- Know how to handle equations with no solutions.
- Be equipped to find multiple solutions in more complex scenarios.

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"Mastering Linear Congruence" is more than just a tutorial; it's your stepping stone to excelling in mathematics. Let's solve the puzzle of linear congruence equations together!

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