| A | B |
| Expression | a mathematical phrase that names a # |
| Equation | 2 expressions separted by a = that names a the same # |
| Simplify | To replace an expression with the simplest form of that # or expression |
| solve | use the inverse op. to isolate the variable in an equation |
| solution | the value of the variable that makes the equation true |
| inverse ops. | oper. that undo each other w/ +/- and x/divide |
| Coefficient | the number in front of the varible that means to multiple |
| dfghjkl; | sdfghjkl; |