93 plus what equals 72?

This is how to calculate "93 plus what equals 72?" In other words, 93 plus a number equals 72. What is that number? We start by converting this word problem into an equation where "what" is what we want to solve:

93 + what = 72

To solve this equation, we first add -93 to each side of the equal sign like this:

93 - 93 + what = 72 - 93

Then, we do the calculation to get the answer to "93 plus what equals 72?" as follows:

What = -21

The answer to "93 plus what equals 72?" is -21. You know this answer is correct because 93 plus -21 equals 72.

Plus What Equals Calculator
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93 plus what equals 73?
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