33 plus what equals 9?

This is how to calculate "33 plus what equals 9?" In other words, 33 plus a number equals 9. What is that number? We start by converting this word problem into an equation where "what" is what we want to solve:

33 + what = 9

To solve this equation, we first add -33 to each side of the equal sign like this:

33 - 33 + what = 9 - 33

Then, we do the calculation to get the answer to "33 plus what equals 9?" as follows:

What = -24

The answer to "33 plus what equals 9?" is -24. You know this answer is correct because 33 plus -24 equals 9.

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33 plus what equals 10?
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