Doing the same thing to both sides of the equation say adding 3 to each side keeps the equation balanced. In algebra we are usually trying to find the value of one or more variables. We solve an equation by working out the value for one letter.
Algebra is used in Maths when we do not know the exact number in a calculation - this.
In algebra we are usually trying to find the value of one or more variables. Y 3x 6. We solve an equation by working out the value for one letter. In algebraic equations the variable is represented by a letter.