Where are my nutz :0 ​

If f(x) =3x-2 and g(x) =2x+1 fins (f+ g) (x)

The dolphins at the webster are fed 1/2 of a bucket of fish each day the sea otters are fed 1/2 as much fish as the dolphins how many buckets of fish are the sea fed each day? simplify you answer and write it as a proper fraction or as a whole or mixed number

What is the anwers for 9+2x=5x-3-x