Answer:
3*7+2 = 23
Step-by-step explanation:
PEMDAS
more detail:
PEMDAS, parentheses, exponent, multiply, divide, add and subtract in that order
so n = 7.
3 * 7 = 21, adding is next.
21 + 2 = 23
very simple
[tex]\huge\text{Hey there!}[/tex]
[tex]\huge\boxed{\rm{3n + 2}}\\\huge\boxed{\rightarrow\rm{3(7) + 2}}\\\huge\boxed{\rightarrow\rm{21 + 2}}\\\huge\boxed{\rightarrow{\rm \bf 23}}\\\huge\boxed{\boxed{\text{Therefore, your answer is: }\textsf{23}}}\huge\checkmark[/tex]
[tex]\huge\text{Good luck on your assignment \& enjoy your day!}[/tex]
