02:35duration 2 minutes 35 seconds

Solving a linear equation with several…

Solving a linear equation with several occurrences of the variable: Variables on the same side and distribution

A more complicated version of solving an equation. It specifically addresses dealing with two variable terms on the same side of the equals sigh.

00:57duration 57 seconds

Simplifying a ratio of multivariate monomials:…

Simplifying a ratio of multivariate monomials: Basic

A quick example of reducing a fraction by dividing matching factors on the top and bottom.