Solving Single-Step Inequalities by Division
More Lessons for Algebra
How to solve inequalities?
The rules for solving inequalities are similar to those for solving linear equations. However, there is one exception, when multiplying or dividing by a negative number it is necessary to reverse the inequality sign.
Solve 3x > 15
Solve –4x < 12
The following video shows how to solve single-step inequalities by division.
How to Solve single-step inequalities by division?
Isolate x by division.
If you divide by a negative number, you would reverse the inequality sign.
Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.
You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.