What minus 1 equals 90?
Here we will show you how to calculate "What minus 1 equals 90?" using simple algebra.
For the sentence, "What minus 1 equals 90?", we can make it into an algebra equation as follows:
X - 1 = 90
Then, we solve for X. To solve for X, add 1 to both sides:
X - 1 + 1 = 90 + 1
Which makes:
X = 91
Thus, the answer to "What minus 1 equals 90?" is 91 as illustrated below:
91 - 1 = 90