65 plus what equals 31?

This is how to calculate "65 plus what equals 31?" In other words, 65 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:

65 + what = 31

To solve this equation, we first add -65 to each side of the equal sign like this:

65 - 65 + what = 31 - 65

Then, we do the calculation to get the answer to "65 plus what equals 31?" as follows:

What = -34

The answer to "65 plus what equals 31?" is -34. You know this answer is correct because 65 plus -34 equals 31.

Plus What Equals Calculator
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