Respuesta :

igoroleshko156

Answer:

n + 18

Step-by-step explanation:

Step 1:  Convert words into an expression

A number plus eighteen

n + 18

Answer:  n + 18

tedlutaj

Answer:

x+18

Step-by-step explanation:

A "number" could be indicated by any letter you want, but by convention x is usually the letter chosen when you want to indicate an unknown number which you want to find