What minus 99 equals 21?
Here we will show you how to calculate "What minus 99 equals 21?" using simple algebra.
For the sentence, "What minus 99 equals 21?", we can make it into an algebra equation as follows:
X - 99 = 21
Then, we solve for X. To solve for X, add 99 to both sides:
X - 99 + 99 = 21 + 99
Which makes:
X = 120
Thus, the answer to "What minus 99 equals 21?" is 120 as illustrated below:
120 - 99 = 21