What minus 15 equals 42?

Here we will show you how to calculate "What minus 15 equals 42?" using simple algebra.
For the sentence, "What minus 15 equals 42?", we can make it into an algebra equation as follows:
X - 15 = 42
Then, we solve for X. To solve for X, add 15 to both sides:
X - 15 + 15 = 42 + 15
Which makes:
X = 57
Thus, the answer to "What minus 15 equals 42?" is 57 as illustrated below:
57 - 15 = 42