What minus 12 equals 87?

Here we will show you how to calculate "What minus 12 equals 87?" using simple algebra.
For the sentence, "What minus 12 equals 87?", we can make it into an algebra equation as follows:
X - 12 = 87
Then, we solve for X. To solve for X, add 12 to both sides:
X - 12 + 12 = 87 + 12
Which makes:
X = 99
Thus, the answer to "What minus 12 equals 87?" is 99 as illustrated below:
99 - 12 = 87