Types of Equations • Solving Basic Types of Equations • Checking the Solution • First Steps • Ratio and Proportion
In this section, we show how algebraic operations are used in solving equations. In the following sections, we show some of the important applications of equations.
An equation is an algebraic statement that two algebraic expressions are equal. Any value of the unknown that produces equality when substituted in the equation is said to satisfy the equation and is called a solution of the equation.
The equation is true only if Substituting 3 for x in the equation, we have or substituting we have which ...