Introduction to Simultaneous Equations

 Video Tutorial

Key Aspects:
  • Equations with two variables
  • Graphical solutions to linear equations in two variables
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 Revision Cards

1) Equations with Two Variables

Using the equation x + 2y = 20 to illustrate prices of items with various solutions for variables x and y, illustrating multiple solutions.

2) Solving Equations with Two Variables

Solving the equation 10 + 2y = 20 by plugging in x = 10 and finding y = 5, illustrating linear equations in two variables.

3) Solving Equations with Two Variables Graphically

Graphical solution of the system of equations y = -0.5x + 10 and x + 2y = 20 with highlighted intersection point (8, 6).

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 Exercises

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