What minus 9 equals 4?

Here we will show you how to calculate "What minus 9 equals 4?" using simple algebra.
For the sentence, "What minus 9 equals 4?", we can make it into an algebra equation as follows:
X - 9 = 4
Then, we solve for X. To solve for X, add 9 to both sides:
X - 9 + 9 = 4 + 9
Which makes:
X = 13
Thus, the answer to "What minus 9 equals 4?" is 13 as illustrated below:
13 - 9 = 4