97 plus what equals 31?

This is how to calculate "97 plus what equals 31?" In other words, 97 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:

97 + what = 31

To solve this equation, we first add -97 to each side of the equal sign like this:

97 - 97 + what = 31 - 97

Then, we do the calculation to get the answer to "97 plus what equals 31?" as follows:

What = -66

The answer to "97 plus what equals 31?" is -66. You know this answer is correct because 97 plus -66 equals 31.

Plus What Equals Calculator
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