[tex]\huge\fbox{Hi~there!}[/tex]
We are given an expression: 3a+1.
We are also given the value of a: 2.
All we should do in order to figure out the value of the expression is plug in the value of a:
[tex]\rm{3a+1[/tex]
[tex]\rm{3(2)+1[/tex]
[tex]\rm{6+1[/tex]
[tex]\rm{7[/tex] (Answer)
I hope you find it helpful.
Feel free to ask if you have any doubts.
[tex]\bf{-MistySparkles^**^*\star[/tex]
