Memory Expressions and EquationsVersión en línea Vocabulary surrounding mathematical expressions and equations. por Alyssa Miller an operation that "undoes" another operation The inverse operation of division. Has algebraic terms linked with an equal sign. Equation Inverse Operation The inverse operation of multiplication. Algebraic Term Subtraction A term that has NO variable. The inverse operation of subtraction Algebraic Expression A mathematical term that contains a variable. A combination of one or more algebraic terms with NO equal sign. Constant Division Multiplication Addition The inverse operation of addition.