Question

Why do we use variables, and what is the significance of using them in expressions and equations?

Answer 1

To express a mathematical operation symbolically, we employ a mathematical expression.

Explanation:

hope I helped

Answer 2

There could be a lot of solutions to a problem. We use variables to help us figure an expression or an equation. By using it in place of real numbers, we'll be able to solve the problem. Thank you for posting your question. I hope this answer helped you. Let me know if you need more help.