| A | B |
| Addition Property of Equality | add the same number to each side of an equation |
| Algebraic Expression | mathematical phrase with at least one variable |
| Coefficient | number in front of a variable |
| Distributive Property | multiply every term inside the parentheses by the term outside |
| Division Property of Equality | divide each side by the same number |
| Inverse Operations | operations that undo each other |
| Like Terms | terms that have the same variable factors |
| Multiplication Property of Equality | multiply each side by the same number |
| Subtraction Property of Equality | subtract the same number from each side |
| Variable | letter for the unknown number |