In the set {9, 13}:
For x = 9: 18 + 2(9) = 18 + 18 = 36 ≥ 36 (True)
For x = 13: 18 + 2(13) = 18 + 26 = 44 ≥ 36 (True)
Therefore, both numbers in the set {9, 13} are solutions to the inequality 18 + 2x ≥ 36.
In which of the given sets of numbers are all the numbers solutions of 18+2x≥36
1 answer