Another Literal Equation
Solving a literal equation: C = NC 9.
Slope-intercept Form: y = mx b
The slope-intercept form: y = mx b. Problems about rate of change involving two variables are solved using the slope-intercept form of equation.
When the Elimination Method is Easiest
How to decide whether substitution or elimination is the better method for solving a system of equations when both equations are in the same form and neither has been solved for a variable.
Finding Rate of Change From a Graphed Line
The procedure for finding rate of change from a graphed line is detailed.
Solving Complex Inequalities
How to solve more complex inequality problems.
Solving an Equation with a Fraction Containing Different Denominators
Solving an equation with two fractions containing different denominators.
Practical Problem: Finding the Price of Chairs
A practical problem is used to demonstrate the strategy of doing the addition and subtraction before doing the division when solving an equation.
Introduction to a Third Variable: RT=E
An example of an algebraic expression that uses three variables.
Shortcut for Solving Equations, A
Any term in an equation can be transferred to the other side if you change the sign. An explanation of this shortcut for solving equations.