Question

Solve. 3x + 3=21 HELP I NEED IT ASAP
1. X=20
2. X=13 1/3
3. X= 15 1/3
4. 30

Answer 1

Explanation:

3x + 3=21

3x = 21-3

3x = 18

x= 18/3

x= 6

I don't find any option as correct one