02:19 duration 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.
03:31 duration 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.