What minus 9 equals 90?
Here we will show you how to calculate "What minus 9 equals 90?" using simple algebra.
For the sentence, "What minus 9 equals 90?", we can make it into an algebra equation as follows:
X - 9 = 90
Then, we solve for X. To solve for X, add 9 to both sides:
X - 9 + 9 = 90 + 9
Which makes:
X = 99
Thus, the answer to "What minus 9 equals 90?" is 99 as illustrated below:
99 - 9 = 90