Forgot password?

Addition and Subtraction in Equations By BrookeAbercrombie

This lesson explores the idea of isolating a variable by adding the inverse of the value to obtain a value of zero. This can be useful when working with algebraic equations.
Show Me Another Way

You have 5 video previews left. Sign up for a free trial to access 10 more videos. Or, subscribe now for unlimited access to our library!

Not sure about signing up? Click here to read more about Guaranteach!