Addition and Subtraction of Algebraic Expressions

The video tutorial introduces basic algebraic concepts, including variables, constants, and expressions. It explains how to identify and classify expressions as monomials, binomials, trinomials, and polynomials. Through practical examples involving age calculations, the tutorial demonstrates how to add and subtract like terms and apply the distributive law. It concludes by teaching how to evaluate expressions by substituting values for variables.

How do we simplify the expression 4x plus 15?

What does it mean for terms to be unlike in an expression?

Describe the process of adding like terms in an algebraic expression.

What is the result of subtracting 2x from 5x?