Divide each side of the equation by 4. Obtaining a function from an equation. These are all equations but only some are formulas.
Basic Rules and Properties of Algebra We list the basic rules and properties of algebra and give examples on they may be used.
Multiply or divide any values in front of the variable as needed. 4z 4 12. Similarly divison can be thought of as inverse multiplication but with a restriction that the denominator cannot be equal to 0. Subtract 4 from each side of the equation.