79 plus what equals 0?

This is how to calculate "79 plus what equals 0?" In other words, 79 plus a number equals 0. What is that number? We start by converting this word problem into an equation where "what" is what we want to solve:

79 + what = 0

To solve this equation, we first add -79 to each side of the equal sign like this:

79 - 79 + what = 0 - 79

Then, we do the calculation to get the answer to "79 plus what equals 0?" as follows:

What = -79

The answer to "79 plus what equals 0?" is -79. You know this answer is correct because 79 plus -79 equals 0.

Plus What Equals Calculator
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