60 plus what equals 45?

This is how to calculate "60 plus what equals 45?" In other words, 60 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:

60 + what = 45

To solve this equation, we first add -60 to each side of the equal sign like this:

60 - 60 + what = 45 - 60

Then, we do the calculation to get the answer to "60 plus what equals 45?" as follows:

What = -15

The answer to "60 plus what equals 45?" is -15. You know this answer is correct because 60 plus -15 equals 45.

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60 plus what equals 46?
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