What minus 81 equals 0?

Here we will show you how to calculate "What minus 81 equals 0?" using simple algebra.
For the sentence, "What minus 81 equals 0?", we can make it into an algebra equation as follows:
X - 81 = 0
Then, we solve for X. To solve for X, add 81 to both sides:
X - 81 + 81 = 0 + 81
Which makes:
X = 81
Thus, the answer to "What minus 81 equals 0?" is 81 as illustrated below:
81 - 81 = 0