How does language reflect the region’s history?

It's apart of everyday life and the primal tool for expression and communication. Studying what words they choose and how they are combined can have us better understand ourselves and why we behave how we do. Jackson Eli Reynolds professor in humanities and chair of the Department of linguistics in the school of humanities and sciences at Stanford. “Discovering what's universal about our languages can help us understand the core of our humanity. “

People use it for many different things communicating is one of the most important things of history because without it how would we be able to learn and ask people with our voices

Amath expression is a collection of one or more terms, which are separated by the signs ( + , - , x , / ).example :   8+b8+b  or  a−3a−3in algebra, an equation is a mathematical statement with two expressions where, each expression is separated by an equal (=) sign. variables can be present on both the sides of the equality (=) sign and we use letters to denote such variables.example 1:   x=4+2x=4+2  , [here, we can observe that the variable is present only on one side of the equation].example 2:   2x+3=x+42x+3=x+4  , [here, we can observe that the variables are present on both side of the equation].