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Solving Single-Step Inequalities by Multiplication




 
Related Topics:
More Lessons for Algebra

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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.

Example:

Solve > 3

Solution:

> 3

• 5 > 3 • 5

x > 15

Example:

Solve

Solution:




The following video shows how to solve single-step inequalities by multiplication
Solving a One Step Linear Inequality by Multiplying
This video provides two examples of solving one step linear inequalities in one variable by multiplying with the variable on the left. The solutions are also written using interval notation.


 

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.


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