What minus 9 equals 15?

Here we will show you how to calculate "What minus 9 equals 15?" using simple algebra.
For the sentence, "What minus 9 equals 15?", we can make it into an algebra equation as follows:
X - 9 = 15
Then, we solve for X. To solve for X, add 9 to both sides:
X - 9 + 9 = 15 + 9
Which makes:
X = 24
Thus, the answer to "What minus 9 equals 15?" is 24 as illustrated below:
24 - 9 = 15