Respuesta :

[tex]\begin{gathered} a_n=a_{n-1}+3 \\ n=4 \\ a_4=a_{4-1}+3_{} \\ a_4=a_3+3_{} \\ a_3=16 \\ a_4=16+3 \\ a_4=19 \\ \text{The value of the 4th term is 19} \end{gathered}[/tex]