What minus 15 equals 91?

Here we will show you how to calculate "What minus 15 equals 91?" using simple algebra.
For the sentence, "What minus 15 equals 91?", we can make it into an algebra equation as follows:
X - 15 = 91
Then, we solve for X. To solve for X, add 15 to both sides:
X - 15 + 15 = 91 + 15
Which makes:
X = 106
Thus, the answer to "What minus 15 equals 91?" is 106 as illustrated below:
106 - 15 = 91