An equation is a mathematical sentence that has two equal sides separated by an equal sign. What is on the left x 2 is equal to what is on the right 4 So an equation is like a statement this equals that What is a Solution. Examples of equations 3x 3 2x 4.
Such as ax by c 0 and dx ey f 0 also called a system of equations with two variables where x and y are two variables and a b c d e f are constants and a b d and e are not zero.
Chemical reactions can be represented on paper with the help of chemical equations an example for which is represented below for the reaction between hydrogen gas and oxygen gas to form water. Like a regular text sentence its a basic unit of information. An equation is a mathematical sentence that has two equal sides separated by an equal sign. 2H 2 O 2 2H 2 O.