What minus 66 equals 69?

Here we will show you how to calculate "What minus 66 equals 69?" using simple algebra.
For the sentence, "What minus 66 equals 69?", we can make it into an algebra equation as follows:
X - 66 = 69
Then, we solve for X. To solve for X, add 66 to both sides:
X - 66 + 66 = 69 + 66
Which makes:
X = 135
Thus, the answer to "What minus 66 equals 69?" is 135 as illustrated below:
135 - 66 = 69