What minus 57 equals 78?

Here we will show you how to calculate "What minus 57 equals 78?" using simple algebra.
For the sentence, "What minus 57 equals 78?", we can make it into an algebra equation as follows:
X - 57 = 78
Then, we solve for X. To solve for X, add 57 to both sides:
X - 57 + 57 = 78 + 57
Which makes:
X = 135
Thus, the answer to "What minus 57 equals 78?" is 135 as illustrated below:
135 - 57 = 78