It is the equality sign that makes it an equation because without the equality sign it would be an algebraic expression.
An equality sign
They both have algebraic terms but an expression does not contain an equality sign whereas an equation does contain an equality sign
That's not an equality, since it doesn't have an equal sign.
It is an expression of algebraic terms with no equality sign
It is the equality sign that makes it an equation because without the equality sign it would be an algebraic expression.
An equality sign
An algebraic equation contains an equality sign whereas an algebraic expression has no equality sign
They both have algebraic terms but an expression does not contain an equality sign whereas an equation does contain an equality sign
That's not an equality, since it doesn't have an equal sign.
They both are made up of algebraic terms but an expression does not contain an equality sign whereas an equation does have an equality sign.
It is an expression of algebraic terms with no equality sign
An expression does not contain an equality sign.
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Normally it is = which is an equality sign
It is a collection of terms but without an equality sign.
A sign of support for same-sex marriage equality.