51 plus what equals 46?

This is how to calculate "51 plus what equals 46?" In other words, 51 plus a number equals 46. What is that number? We start by converting this word problem into an equation where "what" is what we want to solve:

51 + what = 46

To solve this equation, we first add -51 to each side of the equal sign like this:

51 - 51 + what = 46 - 51

Then, we do the calculation to get the answer to "51 plus what equals 46?" as follows:

What = -5

The answer to "51 plus what equals 46?" is -5. You know this answer is correct because 51 plus -5 equals 46.

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51 plus what equals 47?
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