Solve X +15 is greater than or less than 30 to pay close attention to the signs with the answer be X is greater than or less than 17 or X is greater than 17 or X is greater than or less than 47 or X is greater than 47
X + 15 > 30
Subtracting 15 from both sides of the inequality, we get:
X > 15
Therefore, X is greater than 15.
So, the correct answer is:
X is greater than 15 or X > 15.