What minus 4 equals 21?

What minus 4 equals 21?

Here we will show you how to calculate "What minus 4 equals 21?" using simple algebra.

For the sentence, "What minus 4 equals 21?", we can make it into an algebra equation as follows:

X - 4 = 21

Then, we solve for X. To solve for X, add 4 to both sides:

X - 4 + 4 = 21 + 4

Which makes:

X = 25

Thus, the answer to "What minus 4 equals 21?" is 25 as illustrated below:

25 - 4 = 21

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