What minus 40 equals 77?

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