However in Algebra one of the terms is typically unknown and a variable letter is used in its place. Solve for the variable x 9 - 1 x fbox 8 Check. In fact solving an equation is just like solving a puzzle.
4x1 49 Step 1.
First isolate the variable term on one side of the equation. It also explains how to solve. Here are some things we can do. The power in watts P in a circuit is equal to the voltage E multiplied by the current I.