What minus 90 equals 90?

Here we will show you how to calculate "What minus 90 equals 90?" using simple algebra.
For the sentence, "What minus 90 equals 90?", we can make it into an algebra equation as follows:
X - 90 = 90
Then, we solve for X. To solve for X, add 90 to both sides:
X - 90 + 90 = 90 + 90
Which makes:
X = 180
Thus, the answer to "What minus 90 equals 90?" is 180 as illustrated below:
180 - 90 = 90