Answer: 11 and 12
All solutions are larger than 9
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Explanation:
Divide both sides by 2 and we get
2w > 18
2w/2 > 18/2 .... dividing both sides by 2
w > 9
Any number larger than 9 can replace w, and we'll get a true statement.
For instance, if we tried w = 12, then,
2w > 18
2*12 > 18
24 > 18
Which is true since 24 is indeed larger than 18.
On the flip side, if we tried w = 5, then,
2w > 18
2*5 > 18
10 > 18
which is not true because 10 is actually smaller than 18.
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So again, the inequality 2w > 18 solves to w > 9
This shows all solutions are larger than 9.
If we can only pick values from the set {9,5,12,11}, then the solutions are 11 and 12 since they are larger than 9.
