The video [6:04] examines systems of equations. Students watch an example on how to solve systems by substitution.

The video examines systems of equations. Students watch an example on how to solve systems by substitution. [3:44]

This video demonstrates how to solve a system of linear equations by substitution.

This video demonstrates how to solve a given system of equations by using substitution.

This video demonstrates how to solve a word problem by setting up and solving a system of equations using the substitution method.

The video examines systems of equations. Students watch an example on how to solve systems by substitution. [4:06]

This video demonstrates how to solve a system of linear equations by substitution.

This video provides an example of using trigonometric substitution (and trigonometric identities) to solve an integral.

A lesson video solving systems of equations with substitution.

This video is a continuation of our Yoga plan debate by determining where the lines representing the two plans intersect. Students use the substitution method to solve a system of equations.

A video demonstration on how to find the solution of two systems of equations.

This video lesson shows how to solve a system of two equations by using the substitution method.

This video tutorial shows an example where we do substitution twice to get the integral into a reasonable form.

This Khan Academy video explores using u-subsitution to find the integral of a trigonometric problem.

The substitution property of equality is described in this video lesson. The tutorial provides several examples.

Use substitution to solve linear systems.

Evaluate algebraic expressions using the substitution property of equality. Assess learning with a quiz.

This video tutorial provides an example of using u-substitution to evaluate a definite integral.

This video demonstrates how to solve a system of linear equations by using the substitution method.

This QuickTime movie provides an excellent definition for variables with examples. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.

This QuickTime movie provides more information about variables and the substitution principle. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.

Integrating by using the method of integration by parts two or more times is demonstrated here. This lesson is 2 of 4 in the series titled "Double Integration by Parts."

Integrating by using the method of integration by parts two or more times is demonstrated here. This lesson is 3 of 4 in the series titled "Double Integration by Parts."

The method of factoring a function then substituting to find an indeterminate limit is discussed here. This lesson is 2 of 5 in the series titled "Factor and Substitute Method."