Statement Problem: Evaluate the expression when c=6 and d=5 for 9c-d.
Solution:
[tex]\begin{gathered} 9c-d \\ c=6,d=5 \end{gathered}[/tex]We substitute the value into the expression, we have;
[tex]9c-d=9\mleft(6\mright)-5[/tex]Simplifying further, we have;
[tex]\begin{gathered} 9c-d=54-5 \\ 9c-d=49 \end{gathered}[/tex]