What minus 15 equals 87?

Here we will show you how to calculate "What minus 15 equals 87?" using simple algebra.
For the sentence, "What minus 15 equals 87?", we can make it into an algebra equation as follows:
X - 15 = 87
Then, we solve for X. To solve for X, add 15 to both sides:
X - 15 + 15 = 87 + 15
Which makes:
X = 102
Thus, the answer to "What minus 15 equals 87?" is 102 as illustrated below:
102 - 15 = 87