Algebra
Linear equations

Variables and expressions

  1. What is a variable?
  2. Why aren't we using the multiplication sign
  3. Example: evaluating an expression
  4. Example: evaluate a formula using substitution
  5. Evaluating exponential expressions 2
  6. Evaluating expressions in one variable
  7. Expressions with two variables
  8. Example: Evaluating expressions with 2 variables
  9. Evaluating expressions in 2 variables
  10. Algebraic Expression Least Common Multiple
Additional content

Evaluating expressions in one variable Evaluate equations in one variable for a given value.