\textit{substitution}                                                                                          
 \begin{solutionordottedlines}[2cm]                                                                             
     The replacement of pronumerals or variables with numerical values in an algebraic expression.              
 \end{solutionordottedlines}                                                                                    
 \begin{boxdef}                                                                                                 
     \textbf{Pronumeral:}                                                                                       
     \begin{solutionordottedlines}[2cm]                                                                         
     \end{solutionordottedlines}                                                                                
 \end{boxdef}                                                                                                   
 \begin{boxdef}                                                                                                 
     \textbf{Numerical Value:}                                                                                  
     \begin{solutionordottedlines}[2cm]                                                                         
     \end{solutionordottedlines}                                                                                
 \end{boxdef}                                                                                                   
                                                                                                                
                                                                                                                
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