Master simultaneous linear equations with this step by step guide! In this video, we use several solved examples to explain the three essential methods for solving systems of equations in 2 unknowns: Elimination Method, Substitution Method, and Cramer's Rule. Whether you're a beginner or looking to brush up on your skills, this tutorial will help you a lot.
🔑 What You'll Learn:
Elimination Method: Learn how to eliminate one variable to solve for the other.
Substitution Method: Find solutions by substituting one equation into the other.
Cramer's Rule: Solve using matrices and determinants for a quick, efficient solution.
👉 Why Watch?
Easy explanations and visual examples.
Perfect for high school students, college courses, or anyone preparing for exams.
Boost your math confidence and solve problems faster!
00:00 - Introduction
00:15 - Question 1: 2x-y=8 and 3x+y=17 - Solved with Elimination method, Substitution method and Cramers rule.
10:44 - Question 3: a+2b=13 and 2a-3b=5 - Solved with Elimination method and Cramer's Rule.
17:02 - Question 5: 4x+6y=21 and 7x-3y=3 - Solved with Substitution method and Cramer's Rule.
24:15 - Question 9: 5x-19=2y and 3y+18=4x - Solved with Elimination method and Cramer's Rule.
The questions are taken from exercise 7a, New General Mathematics for Senior Secondary Schools, book 2, page 74.
#CramersRule #EliminationMethod #SubstitutionMethod #Maths #SimultaneousEquations
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