What minus 84 equals 42?

Here we will show you how to calculate "What minus 84 equals 42?" using simple algebra.
For the sentence, "What minus 84 equals 42?", we can make it into an algebra equation as follows:
X - 84 = 42
Then, we solve for X. To solve for X, add 84 to both sides:
X - 84 + 84 = 42 + 84
Which makes:
X = 126
Thus, the answer to "What minus 84 equals 42?" is 126 as illustrated below:
126 - 84 = 42