Archive for the ‘Variables’ Category


  One of the first things you learn in algebra is the concept of variables. ¬†As you may already know a variable is simply a letter or symbol that holds the value of a number. Algebra is really like basic arithmetic but instead of adding, subtracting multiplying and dividing regular numbers we perform these same […]


Evaluate Variable Expressions Example 1

Here is an example of how to evaluate a variable expression. ¬†Remember to read the lesson on this topic. Basic steps to follow: 1. First replace the variable with the value(s) in the given expression 2. Always double check that you plugged in the value(s) correctly before moving onto to simplify the expression 3. Use […]