This video define an expression and an equation. Then the different tasks performed on expressions and equations is discussed.

# equations

# Quadratic App: Find Two Numbers Given Difference and Sum of Squares (Factor)

This video explains how to set up a system of equations and and then solve a quadratic equation to solve an application problem.

# Writing Expressions to Solve a Linear Equation App: Ticket Sales

This video explains how to write expressions and then set-up and solve a linear equation in one variable to solve an application problem.

# Writing Expressions to Solve a Linear Equation App: Stamps

This video explains how to write expressions and then set-up and solve a linear equation in one variable to solve an application problem.

# Writing Expressions to Solve a Linear Equation App: Coins

This video explains how to write expressions and then set-up and solve a linear equation in one variable to solve an application problem.

# Solve a Linear Equation in One Variable (Traditional) -3(y+6)-y=1/2+2y

This video explains how to solve a linear equation in one variable with variables on both sides of the equation and parentheses using traditional methods.

# Solve a Linear Equation in One Variable (Traditional) -w-2(w+4)=6w-5-w

This video explains how to solve a linear equation in one variable with variables on both sides of the equation and parentheses using traditional methods.