Shmoop University
Shmoop: Basic Algebra: Solving Funky Equations
Students learn about equations that have no solution or the solution is all real numbers. The tutorial explores the algebra concept through notes, examples, and practice exercises.
That Quiz
That Quiz: Algebra
This interactive activity could be used to review solving and graphing equations. Ten different levels are provided. Also, the time and the numbers of correct answers are reported.
Math Planet
Math Planet: Understanding Inequalities and Equations
Gain an understanding of how to solve equations by viewing an example and a video lesson.
Purple Math
Purplemath: Solving Linear Equation With Parentheses; "No Solution" Equations
Learn how to solve linear equations with parenthesis and equations with no solutions. Please be aware that this is an ad heavy resource.