Inequalities are similar to equations, but instead of an equals sign (\(=\)) being used, the following are used instead:

• greater than (\(>\))
• greater than or equal to (\(≥\))
• less than (\(<\))
• less than or equal to (\(≤\))

Linear inequalities are solved like a normal equation, but you must remember to flip the sign if you multiply or divide by a negative number.

The solution of an inequality is the set of all real numbers \(x\) that make the inequality true.