Elementary AlgebraMenuIntroduction1AlgebraActivity Set 12VariableWhat Is a Variable?In algebra we use symbols, like $a$, $b$, $c$, in place of numbers. These symbols are known as variables. Watch this video to learn more about variables.UnderstoodContinueActivity Set 1Activity Set 23CoefficientActivity Set 1Activity Set 24Algebraic ExpressionCombining like TermsActivity Set 15Subtracting VariablesActivity Set 16Adding and Subtracting Unlike TermsActivity Set 1Activity Set 27Multiplying Numbers by CoefficientsActivity Set 1Activity Set 28Combining Variables with ExponentsActivity Set 1Activity Set 29Replacing a Variable with a NumberActivity Set 1Activity Set 210Boss Battle

What Is a Variable?In algebra we use symbols, like $a$, $b$, $c$, in place of numbers. These symbols are known as variables. Watch this video to learn more about variables.UnderstoodContinue