Question

Which of the values in the set {1, 2, 3, 4} is a solution to the equation 3x + 3 = 15?

1
2
3
4

Answer 1

4

Explanation:

3x+3=15

3x=12

divide by 3

x=4

Answer 2

4

Explanation:

3x+3=15

3x=15-3

3x=12

x=4