Using substitution to solve algebraic equations. By the end of this lesson, you will be able to solve complex equations, using the substitution method. Before we start our lesson, did you know that cardiac surgeons use many mathematical techniques and processes, in order to assess the variable of a heart plant.
Up Next in Term 3

Algebraic Equations Part 3: Exponents
Solving algebraic equations is a fundamental skill, which is used in many areas of mathematics, and in other fields. In this unit you will learn some techniques, which can be used to solve equations.

Geometry of Straight Lines Part 1
Learn more about the geometry of straight lines, and we will focus on the relationship between angles formed by perpendicular lines, and intersecting lines. By the end of this lesson, you will be able to describe, and apply these. But before we start our lesson, did you know that astronomers use ...

Geometry of Straight Lines Part 2
Did you know that bankers, and financial analysts, use formulas, to calculate interest and loans. To continue from the previous lesson we will learn more about the geometry of straight lines, and the relationship between angles, formed by parallel lines, and cut by a transversal. By the end of th...