What minus 78 equals 84?

Here we will show you how to calculate "What minus 78 equals 84?" using simple algebra.
For the sentence, "What minus 78 equals 84?", we can make it into an algebra equation as follows:
X - 78 = 84
Then, we solve for X. To solve for X, add 78 to both sides:
X - 78 + 78 = 84 + 78
Which makes:
X = 162
Thus, the answer to "What minus 78 equals 84?" is 162 as illustrated below:
162 - 78 = 84