#### Topic Content:

- Linear Inequalities

Inequality is a mathematical statement that compares two expressions. The statement resembles the usual equation except that the equality sign (=) is replaced by one of the following inequality signs:

\( \scriptsize < \) is less than

\( \scriptsize > \) is greater than

\( \scriptsize \leq \) is less than or equal to

\( \scriptsize \geq \) is greater than or equal to

The rules for dealing with inequalities are:**1.** We can add the same number to both sides.**2.** We can subtract the same number from both sides of the inequality.**3.** We multiply or divide both sides of the inequality by the same positive number.**4. **We can multiply or divide both sides of the inequality by the same negative number if, and **only if**, we change the inequality sign i.e > to <, < to >, ≤ to ≥, ≥ to ≤.

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