Elementary AlgebraMenuIntroduction1AlgebraActivity Set 12VariableActivity Set 1Activity Set 23CoefficientActivity Set 1Activity Set 24Algebraic ExpressionCombining like TermsActivity Set 1Add the terms = CheckResetContinue5Subtracting 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