What minus 77 equals 40?

Here we will show you how to calculate "What minus 77 equals 40?" using simple algebra.
For the sentence, "What minus 77 equals 40?", we can make it into an algebra equation as follows:
X - 77 = 40
Then, we solve for X. To solve for X, add 77 to both sides:
X - 77 + 77 = 40 + 77
Which makes:
X = 117
Thus, the answer to "What minus 77 equals 40?" is 117 as illustrated below:
117 - 77 = 40