Question

In which of the given sets of numbers are all the numbers solutions of 4x+7≠23? (1 point)

2, 3, 5, 6

1, 2, 3, 4

3, 4, 6, 7

4, 5, 6, 7

Answer 1

Solve 4x + 7 ≠ 23 → 4x ≠ 16 → x ≠ 4. So any set that does not contain 4 works. The only choice without 4 is: 2, 3, 5, 6.