132k views
4 votes
3+9n=21
A:-2
B:3
C:2
D:6

User Kumarprd
by
4.8k points

2 Answers

1 vote

Answer:

C: 2

Step-By-Step Explanation:

Add a negative 3 to both sides and get: 9n= 18

Divide 18 by 9 and get: 2

User Rohitmishra
by
4.5k points
4 votes

Answer:

C) its 2

Explanation:

If you minus the 3 from both sides its 9n= 18 and you have to divideboth sides by 9 it would give you 2!

User Francesco Verheye
by
3.7k points