Variables and Equations


The first part of this chapter discusses the basics of algebraic expressions and equations, including how to translate word phrases into algebraic expressions, how to evaluate them, and how to simplify them. The second part of this chapter discusses how to solve equations ranging from basic one-step equations to multi-step equations containing decimals or fractions.

What you can expect to learn

After completing these exercises you should be able to

  1. Translate a word phrase into an algebraic expression.
  2. Evaluate algebraic expressions.
  3. Simplify algebraic expressions.
  4. Solve one-step equations.
  5. Solve two-step equations and related word problems.
  6. Solve multi-step equations.
  7. Solve equations containing fractions or decimals.
Activity List