Addition & Subtraction of algebraic expressions

What is a term in algebra?

A term refers to the variables and numbers in a mathematical expression separated by a '+' or 'Minus' sign ONLY.

What is a variable?

Variables are all the unknowns in the expression, represented by letters.

What is a constant?

A constant is a number without a variable attached to it, constantly stays the same.

What is a coefficient?

A coefficient is a number written alongside a variable, multiplied by the variable.

What is an exponent?

An exponent is the number that a variable is raised to.

How do we simplify algebraic expressions?

First, collect like terms. Then, add or subtract coefficients of like terms.

What happens with the same base and different exponents?

Collect like terms and add/subtract the coefficients of like terms.

What are the rules for addition/subtraction in algebra?

Collect like terms and add/subtract the coefficients of like terms. Variables and their exponents remain the same.