Write an expression to represent two less then three times a number

less: means subtract

than: means swap the order

times: means multiply

a number: means use a variable to identify the unknown

two    less    than    three   times    a number

2         -          ↔        3          x             n             ⇒   3n - 2

3n - 2

2nd one in the first row is correct

i believe the answer is the polygon, heptagon.