What minus 64 equals 81?

Here we will show you how to calculate "What minus 64 equals 81?" using simple algebra.
For the sentence, "What minus 64 equals 81?", we can make it into an algebra equation as follows:
X - 64 = 81
Then, we solve for X. To solve for X, add 64 to both sides:
X - 64 + 64 = 81 + 64
Which makes:
X = 145
Thus, the answer to "What minus 64 equals 81?" is 145 as illustrated below:
145 - 64 = 81