What minus 84 equals 31?

Here we will show you how to calculate "What minus 84 equals 31?" using simple algebra.
For the sentence, "What minus 84 equals 31?", we can make it into an algebra equation as follows:
X - 84 = 31
Then, we solve for X. To solve for X, add 84 to both sides:
X - 84 + 84 = 31 + 84
Which makes:
X = 115
Thus, the answer to "What minus 84 equals 31?" is 115 as illustrated below:
115 - 84 = 31