Question

Question 3 of 5
Solve 3x + 6 = 21.
A. x=7
B. x=5
C. x=8
D. x=9

Answer 1

Answer: B. X=5

Explanation:

3x+6=21

subtract 6 on both sides

3x=15

divide by 3 on both sides

x=5

Answer 2

B. x=5

Explanation:

3x + 6 = 21

Subtract 6 from both sides.

3x = 15

Divide both sides by 3.

x = 5