02:19duration 2 minutes 19 seconds

Introduction to solving an equation with…

Introduction to solving an equation with parentheses

Two simple examples of how to deal with parentheses in equations.

03:31duration 3 minutes 31 seconds

Intro to addition/subtraction of fractions witih…

Intro to addition/subtraction of fractions witih different denominators

The f irst basic addition/subtraction of fractions that don't have the same denominators.