Question

The sum of three consecutive numbers is equal to 21. The solution to solve this problem is *
3 points
1.4x + 1 = 21
2.4x - 21
3.x + 3 = 21
4.3x - 21
please tell fast​

Answer 1

Answer:

1. 4x+1=21

4x=21-1

4x=20

x=20/4

x= 5