What minus 45 equals 90?

Here we will show you how to calculate "What minus 45 equals 90?" using simple algebra.
For the sentence, "What minus 45 equals 90?", we can make it into an algebra equation as follows:
X - 45 = 90
Then, we solve for X. To solve for X, add 45 to both sides:
X - 45 + 45 = 90 + 45
Which makes:
X = 135
Thus, the answer to "What minus 45 equals 90?" is 135 as illustrated below:
135 - 45 = 90