Question

Which number in the replacement set {1,2,3,4} makes 6x+4=22 a true statement?

1

2

3

4

Answer 1

To make this easy, first substract 4 from both sides. You will be left with 6x = 18. If we devide 6 from boths sides, we will be left with x = 3.

Answer 2

Thanks @duckerstar146