What minus 3 equals 21?
Here we will show you how to calculate "What minus 3 equals 21?" using simple algebra.
For the sentence, "What minus 3 equals 21?", we can make it into an algebra equation as follows:
X - 3 = 21
Then, we solve for X. To solve for X, add 3 to both sides:
X - 3 + 3 = 21 + 3
Which makes:
X = 24
Thus, the answer to "What minus 3 equals 21?" is 24 as illustrated below:
24 - 3 = 21