What minus 9 equals 12?
Here we will show you how to calculate "What minus 9 equals 12?" using simple algebra.
For the sentence, "What minus 9 equals 12?", we can make it into an algebra equation as follows:
X - 9 = 12
Then, we solve for X. To solve for X, add 9 to both sides:
X - 9 + 9 = 12 + 9
Which makes:
X = 21
Thus, the answer to "What minus 9 equals 12?" is 21 as illustrated below:
21 - 9 = 12