What minus 39 equals 84?

Here we will show you how to calculate "What minus 39 equals 84?" using simple algebra.
For the sentence, "What minus 39 equals 84?", we can make it into an algebra equation as follows:
X - 39 = 84
Then, we solve for X. To solve for X, add 39 to both sides:
X - 39 + 39 = 84 + 39
Which makes:
X = 123
Thus, the answer to "What minus 39 equals 84?" is 123 as illustrated below:
123 - 39 = 84