I want to know if I have this right

translate the phrase into mathematical expression and then simplify
six times a number subtract thrice the same number.
6n-3n
6x-3x

6 answers

You're right so far. Now to simplify --

6n - 3n = 3n
nine subtracted from the product of two and an unknown number
Nine minus the product of two and a number x
Eight more than the product of two and a number x
The sum of four and the product of three and a number x
Nine more than the product of one and a number x