| equation | | |
| The equation has no root. | | |
| equation root | | |
| original equation | | |
| linear equation with the unknown in the denominator | | |
| Solve the equations and don't forget to make proofs. | | |
| Every linear equation has one root. | | |
| left-hand side of an equation | | |
| right-hand side of an equation | | |
| solution to an equation | | |
| an equation with one unknown | | |