An expression consists of numbers and/or variables and operations, but has no equal sign or inequality signs.

An example is .

An equation uses an equal sign to show that an expression is equal to a number or another expression.

An example is .

An expression consists of numbers and/or variables and operations, but has no equal sign or inequality signs. \ \ An example is .

An equation uses an equal sign to show that an expression is equal to a number or another expression.

An example is .