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Solving Single-Step Inequalities by Division

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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.

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