Answer:
n + 1
Step-by-step explanation:
Consider the division in fractional form, that is
[tex]\frac{3n+3}{3}[/tex] ← factor out 3 from each term on the numerator
= [tex]\frac{3(n+1)}{3}[/tex] ← cancel common factor 3 on numerator/ denominator, leaving
= n + 1
