This article was reviewed by Grace Imson, MA and by wikiHow staff writer, Jennifer Mueller, JD. Grace Imson is a math teacher with over 40 years of teaching experience. Grace is currently a math instructor at the City College of San Francisco and was previously in the Math Department at Saint Louis University. She has taught math at the elementary, middle, high school, and college levels. She has an MA in Education, specializing in Administration and Supervision from Saint Louis University.
This article has been fact-checked, ensuring the accuracy of any cited facts and confirming the authority of its sources.
This article has been viewed 93,291 times.
You're just getting the hang of solving basic equations, when all of a sudden that = > > or a < . Usually, you solve an inequality the same way you'd solve an equation, with one important difference—sometimes, you have to flip the inequality sign so it turns in the other direction. If you're not sure exactly when you need to do this, you're not alone! Read on to learn when you need to flip the inequality sign to solve an inequality correctly every time. You can even test your skills with some practice problems.