| A | B |
| Equation | A mathematical sentence that has an equal sign |
| Coefficient | The numerical factor of a term that contains a variable |
| Algebra | A mathematical lproblem that usually have letters and numbers |
| Algebra expression | A combination of variable number, and at least one operation |
| Variable | A symbol usually a letter used to represent a number |
| Solve | To replace a variable with that result in a true sentence |
| Solution | The value of a variable that makes an equation true |
| Two step equation | An equation that has two different operations in it |