An inequality is similar to an equation. There are two expressions separated by a
symbol that indicates how one expression is related to the other. In an equation such
as 7x = 49, the = sign indicates that the expressions are equivalent. In an inequality,
such as 7x > 49, the > sign indicates that the left side is larger than the right
side.
To solve the inequality 7x > 49, we follow the same rules that we did for
equations. In this case, divide both sides by 7 so that x > 7. This means that
x is a value and it is always larger than 7, and never equal to or less than 7.
The "less than" symbol (<) may also be seen in inequalities.
