Some equations have variables close variable An unknown value in an expression or equation. For example in y=3x+5, y and x are variables. on each side of the equals sign, for example \(4 (k + 7 ...

Let’s go over some essential algebra terms: Variable. The letter hiding the solution, commonly “x.” Constant. Known numbers in the equation. In the equation 2+3=x, 2 and 3 are the constants.