209k views
5 votes
The sum of 1 and 3 times a number is 22

A. X= 4

B. X= 6

C. X= 7

D. X= 9

User Samara
by
5.3k points

1 Answer

2 votes
C. x = 7



1 + 3 * x = 22

1 + 3x = 22

Subtract 1 from both sides.

3x = 21

Divide both sides by 3.

x = 7
User Jan Ariel San Jose
by
5.9k points