In this article we are going to discuss about concept called algebra equations and inequalities.Equation: Two expressions are in equal is called an equation. For example: x + 3 = 2, x + 2 = 1,.When we add, subtract, multiply or divide the same number on both the side of the equation, the equal sign of an equation does not change.Inequality: Two algebraic expressions or two real numbers related by the symbol <, >, <= or >= form an inequality.