22 plus what equals 31?

This is how to calculate "22 plus what equals 31?" In other words, 22 plus a number equals 31. What is that number? We start by converting this word problem into an equation where "what" is what we want to solve:

22 + what = 31

To solve this equation, we first add -22 to each side of the equal sign like this:

22 - 22 + what = 31 - 22

Then, we do the calculation to get the answer to "22 plus what equals 31?" as follows:

What = 9

The answer to "22 plus what equals 31?" is 9. You know this answer is correct because 22 plus 9 equals 31.

Plus What Equals Calculator
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