What minus 54 equals 81?

Here we will show you how to calculate "What minus 54 equals 81?" using simple algebra.
For the sentence, "What minus 54 equals 81?", we can make it into an algebra equation as follows:
X - 54 = 81
Then, we solve for X. To solve for X, add 54 to both sides:
X - 54 + 54 = 81 + 54
Which makes:
X = 135
Thus, the answer to "What minus 54 equals 81?" is 135 as illustrated below:
135 - 54 = 81