61 plus what equals 45?

This is how to calculate "61 plus what equals 45?" In other words, 61 plus a number equals 45. What is that number? We start by converting this word problem into an equation where "what" is what we want to solve:

61 + what = 45

To solve this equation, we first add -61 to each side of the equal sign like this:

61 - 61 + what = 45 - 61

Then, we do the calculation to get the answer to "61 plus what equals 45?" as follows:

What = -16

The answer to "61 plus what equals 45?" is -16. You know this answer is correct because 61 plus -16 equals 45.

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61 plus what equals 46?
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