This video appears on the page: Solving Basic Equations

Solving Equations With Addition & Subtraction Only

Often called "The Addition Property of Equality", the rule for these problems is this: "You can add or subtract anything from one side of an algebra equation, as long as you do the same thing to the other side." This is the key to solving equations like "x+3=6" and "x-2=9", and also causes a few sticky situations that I'll cover in this video as well.