More Addition Subtraction of algebraic expressions

What is a term in a mathematical expression?

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

What are variables?

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; it 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 base is raised to.

What is the rule for addition/subtraction of terms?

Collect like terms and add/subtract the coefficients of like terms while keeping the variables and exponents the same.

What are like terms?

Like terms have the exact same variables and exponents; coefficients may differ.

What are unlike terms?

Unlike terms do NOT have the same variables and exponents.