All you can do to this expression is simplify.
You need to combine all "like terms." There are two q terms so you need to combine those. To combine "like terms", simply add their coefficients. 6q has a coefficient of 6 and q has a coefficient of 1. So:

Therefore your end result is:
answer -2
Step-by-step explanation:
plug 4 for n the put in a calculator hope this helps
Hi I did my working on paper. You can see it in the photo.
Answer: 20
Reason: They're opposite meaning they are the same when compared to the side
Its because look at it right it the letter b