Answer to Question #206751 in Algebra for Dhruv bartwal

Question

What is equation? does all the equation involve a variable? Give an example of equation with a variable in it and which doesn't have a variable in it.

Answer 1

In mathematics, an equation is a statement that asserts the equality of two expressions, which are connected by the equals sign "=".

Most equations include a variable, but not all equations.

An example of equation with a variable is: x + 2 = 6.

An example of equation without a variable: 2 + 2 = 4.